CN103756169A - Plastic alloy, preparation method and application of plastic alloy - Google Patents
Plastic alloy, preparation method and application of plastic alloy Download PDFInfo
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- CN103756169A CN103756169A CN201310743454.3A CN201310743454A CN103756169A CN 103756169 A CN103756169 A CN 103756169A CN 201310743454 A CN201310743454 A CN 201310743454A CN 103756169 A CN103756169 A CN 103756169A
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- polyblend
- plastic alloy
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- rubber
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92885—Screw or gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92933—Conveying, transporting or storage of articles
Abstract
The invention is suitable for the field of plastics, and provides plastic alloy, a preparation method and application of the plastic alloy. The plastic alloy provided by the invention comprises chlorinated polyethylene, nitrile rubber, a plasticizer, filler, a stabilizer, an antioxidant and the like. According to the plastic alloy provided by the invention, a PNBR+CPE (Powdered Nitrile-Butadiene Rubber)+(Chlorinated Polyethylene) rubber and plastic alloy material is formed through mutual effects of the components of CPE base resin and a rubber elastomer as well as the stabilizer, the antioxidant, the plasticizer and the like. The plastic alloy is low in cost and easy to process, and meanwhile, the appearance performance of the plastic alloy is approximate to that of rubber, so that the plastic alloy has surface smoothness, flexibility and rebound resilience.
Description
Technical field
The invention belongs to plastics field, relate in particular to a kind of polyblend, its preparation method and application.
Background technology
At present, the use raw material of weather strip for automobile has rubber-type, soft plastics type and thermoplastic elastic build.Rubber-type (as EPDM rubber) sealed strip has excellent resilience and dimensional stabilizing and good sealing property, but need to refine the complicated production technique such as glue and sulfuration, and is heat curing-type recovery difficulty; Soft plastics (as CPE) sealed strip processing is simple and cost advantage is remarkable, but poor flexibility, poor dimensional stability.And thermoplastic elastomer (as TPV) sealed strip is the main product on market at present.It combines plastic working advantage and rubber rebound performance, but price is always high.
Summary of the invention
In view of this, the invention provides a kind of polyblend, the technical problem of polyblend price or poor performance for sealed strip in solution prior art; And, the preparation method and application of this polyblend.
The present invention is achieved in that
A polyblend, comprises the component of following weight fraction:
And,
This polyblend preparation method, comprises the steps:
By above-mentioned weight proportion, provide chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor;
This chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor are mixed, obtain mixture;
This mixture is extruded to processing, obtain polyblend.
The present invention further provides the application of above-mentioned polyblend in sealed strip.
Polyblend of the present invention, by at CPE matrix resin and rubber-like elastomerics and stablizer, oxidation inhibitor, softening agent etc., by the interaction between each component, form PNBR+CPE rubber-plastic alloy, low and the handling ease of this polyblend cost, appearance property is similar to rubber simultaneously, has surface smoothness, flexibility and the rebound resilience of rubber.Polyblend preparation method of the present invention, by introducing rubber-like elastomerics and other auxiliary agents at soft CPE matrix resin, and add stablizer, oxidation inhibitor, softening agent etc. in two kinds of good blend polymers of consistency, prepare a kind of soft PNBR+CPE rubber-plastic alloy.This preparation method is simple to operate, with low cost, is very suitable for suitability for industrialized production.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of polyblend, comprises the component of following weight fraction:
The polymerization degree of described chlorinatedpolyethylene (CPE) is between 800-1400.Described paracril is Powdered, and the consistency of this paracril and the consistency of CPE approach.There is de-HCL DeR in CPE, and DeR has self-catalysis under hot procedure and shearing action, by adding disalt, three salt or both mixtures, stablizes DeR.Meanwhile, paracril, due to the consistency of itself and CPE, is realized the dispersed of CPE and paracril.
Described weighting agent is one or more the mixture in talcum powder, calcium carbonate, barium sulfate, glass microballon, mica powder, wollastonite, and the order number of described weighting agent is greater than 1000.Weighting agent one side weighting agent can improve rigidity and the thermotolerance of material; Weighting agent can play and reduce forming materials contraction on the other hand; Adding of third aspect weighting agent can make material cost reduce.
Described thermo-stabilizer is disalt, three salt or both mixtures, as lead sulfate tribasic or the dibasic lead phosphite of the production of Hengshui Tao Cheng auxiliary chemicals company limited, environmental protection kind is as Ba/Zn one package stabilizer phosphite, to prevent the generation at the acidic substance such as HCL of hot shearing lower substrate resin decomposition.
Described softening agent is phthalate, the mixture of one or more in epoxy soybean oils, polyphosphate class, stearic acid.Add softening agent and can greatly improve Drawing abillity.
Described oxidation inhibitor is four, and [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester primary antioxidant and tricresyl phosphite (2,4-di-t-butyl phenyl ester) auxiliary anti-oxidant are composite with 1:1 to 1:3 ratio.Preferably 1:2 is composite.The order ground that adds oxidation inhibitor is to reduce the aging of material in processing and use procedure.
The present invention selects take CPE resin as base resin, low and the handling ease of its cost, simultaneously in conjunction with the good PNBR(paracril of consistency) properties-correcting agent makes its appearance property be similar to rubber, surface smoothness, flexibility and the rebound resilience with rubber, auxiliary in other processing aids, make it reach that a kind of processing is simple and easy, the obvious PNBR+CPE alloy material of cost advantage.
The embodiment of the present invention further provides the preparation method of above-mentioned polyblend, comprises the steps:
Step S01, provides starting material:
By above-mentioned weight proportion, provide chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor;
Step S02, mixes
Described chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor are mixed, obtain mixture;
Step S03, extrudes processing
Described mixture is extruded to processing, obtain polyblend.
Concrete, in step S01, this chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor and aforesaid identical, do not repeat to set forth at this.
In step S03, described in extrude treatment process condition and be:
One district's temperature is 140～160 ℃; Two district's temperature are 150～170 ℃; Three district's temperature are 160～170 ℃; Four district's temperature are 170～180 ℃; Material screw speed in twin screw extruder is 15-20r/min, pulling speed 20-40r/min, cooling employing cooling trough.
Embodiment of the present invention polyblend preparation method, by introducing rubber-like elastomerics and other auxiliary agents at soft CPE matrix resin, and add stablizer, oxidation inhibitor, softening agent etc. in two kinds of good blend polymers of consistency, prepare a kind of soft PNBR+CPE rubber-plastic alloy.This preparation method is simple to operate, with low cost, is very suitable for suitability for industrialized production.
The embodiment of the present invention further provides the application of above-mentioned polyblend in sealed strip.
Below in conjunction with specific embodiment, above-mentioned polyblend and preparation method thereof is described in detail.
Embodiment 1:
Preparation PNBR+CPE alloy.In the present embodiment, CPE material selection used the resin of the polymerization degree in 1300 left and right, the typical trade mark is the CPE1300 of Shanghai chlor-alkali; The trade mark of selected PNBR powdered nitrile rubber is the P83 of orchidization; Weighting agent used is calomel mercurous chloride (1200 order); Softening agent is DOP; Oxidation inhibitor is four, and [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester primary antioxidant and tricresyl phosphite (2,4-di-t-butyl phenyl ester) auxiliary anti-oxidant are composite with 1:2 ratio; Thermo-stabilizer is lead sulfate tribasic and dibasic lead phosphite mixture; Promoting agent is stearic acid SA.Example formulations following (mass fraction):
Preparation method:
1) by proportioning, take raw material, in homogenizer high speed, stir 5-10 minute, to mix;
2) raw material of mixing is joined in twin screw extruder, by melt extruding, granulation.
Twin screw extruder temperature: district's temperature is 140～150 ℃; Two district's temperature are 150～160 ℃; Three district's temperature are 160～170 ℃; Four district's temperature are 170～175 ℃; Material screw speed in twin screw extruder is 15-20r/min, pulling speed 20-40r/min, cooling employing cooling trough.
Embodiment 2:
Preparation PNBR+CPE alloy.In the present embodiment, CPE material selection used the resin of the polymerization degree in 1000 left and right, the typical trade mark is the WS1000 of Shanghai chlor-alkali; The trade mark of selected PNBR powdered nitrile rubber is the GS-33 of Zibo Gao Shi; Weighting agent used is talcum powder (1200 order); Softening agent is DOP; Oxidation inhibitor is four, and [3-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester primary antioxidant and tricresyl phosphite (2,4-di-t-butyl phenyl ester) auxiliary anti-oxidant are composite with 1:1 ratio; Stablizer is the rare earth based Ca-Zn mixture of wide foreign high-tech.Example formulations following (mass fraction):
Preparation method:
1) by proportioning, take raw material, in homogenizer high speed, stir 5-10 minute, to mix;
2) raw material of mixing is joined in twin screw extruder, by melt extruding, granulation.
Twin screw extruder temperature: district's temperature is 145～155 ℃; Two district's temperature are 155～165 ℃; Three district's temperature are 165～170 ℃; Four district's temperature are 170～175 ℃; Material screw speed in twin screw extruder is 15-20r/min, pulling speed 20-40r/min, cooling employing cooling trough.
Table 1 is the get on the car physical property table of general sealing strip material of the prepared material of various embodiments of the present invention and market now.
Table 1
The data of table 1 show the soft PNBR+CPE rubber and plastic alloy that adopts raw material of the present invention and preparation method to make, and stretching and the elongation characteristics of material are better, good processability, and product appearance is good, and cost advantage is obvious.
, through research, show, soft PNBR+CPE rubber and plastic alloy, than EPDM rubber and thermoplastic elastomer TPV, has inherited the latter and has processed easy advantage meanwhile, and by the PNBR rubber components of introducing, its mechanical property is also significantly improved than the latter simultaneously.Finally, its cheap cost advantage is also in both having obvious advantage.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a polyblend, comprises the component of following weight fraction:
2. polyblend as claimed in claim 1, is characterized in that, the polymerization degree of described chlorinatedpolyethylene is 800-1400.
3. polyblend as claimed in claim 1, is characterized in that, described stablizer is selected from lead sulfate tribasic, dibasic lead phosphite or its mixture.
4. polyblend as claimed in claim 1, is characterized in that, described weighting agent is selected from one or more in talcum powder, calcium carbonate, barium sulfate, glass microballon, mica powder or wollastonite.
5. polyblend as claimed in claim 1, is characterized in that, described softening agent is selected from phthalic ester, one or more in epoxy soybean oil, polyphosphate or stearic acid.
6. the polyblend preparation method described in claim 1-5 any one, comprises the steps:
By above-mentioned weight proportion, provide chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor;
Described chlorinatedpolyethylene, paracril, softening agent, weighting agent, stablizer and oxidation inhibitor are mixed, obtain mixture;
Described mixture is extruded to processing, obtain polyblend.
7. polyblend preparation method as claimed in claim 6, is characterized in that, described in extrude treatment process condition and be:
One district's temperature is 140～160 ℃; Two district's temperature are 150～170 ℃; Three district's temperature are 160～170 ℃; Four district's temperature are 170～180 ℃; Material screw speed in twin screw extruder is 15-20r/min, pulling speed 20-40r/min.
8. the application of the polyblend as described in claim 1-5 any one in sealed strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743454.3A CN103756169A (en) | 2013-12-27 | 2013-12-27 | Plastic alloy, preparation method and application of plastic alloy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310743454.3A CN103756169A (en) | 2013-12-27 | 2013-12-27 | Plastic alloy, preparation method and application of plastic alloy |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199247A (en) * | 2014-06-04 | 2015-12-30 | 安徽弘博电缆集团有限公司 | Preparation method of chlorinated polyethylene rubber material for cable sheath |
| CN105295209A (en) * | 2014-06-04 | 2016-02-03 | 安徽弘博电缆集团有限公司 | High-strength heat-resistant and aging-resistant cable sheath material |
| CN110016165A (en) * | 2018-01-08 | 2019-07-16 | 中国石油天然气股份有限公司 | A kind of polyethylene/butadiene rubber alloy material and preparation method thereof |
| CN115368650A (en) * | 2021-05-17 | 2022-11-22 | 天津市橡胶工业研究所有限公司 | High-temperature-resistant and oil-resistant flexible rubber sound insulation material and preparation method thereof |
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| CN1884358A (en) * | 2005-06-22 | 2006-12-27 | 长春安普应用材料有限公司 | Chlorinated polyethylene composite elastomer production method |
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| CN102816392A (en) * | 2011-06-08 | 2012-12-12 | 天津市耀新科技发展有限公司 | Chlorinated polyvinyl chloride waterproof coiled material and preparation method thereof |
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2013
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| US5914195A (en) * | 1995-09-01 | 1999-06-22 | Mitsubishi Chemical Mkv Company | Thermoplastic resin composite |
| KR100626163B1 (en) * | 2005-04-14 | 2006-09-20 | 대일소재(주) | Alloy mixed with nbr, pvc, cpe and method of it |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105199247A (en) * | 2014-06-04 | 2015-12-30 | 安徽弘博电缆集团有限公司 | Preparation method of chlorinated polyethylene rubber material for cable sheath |
| CN105295209A (en) * | 2014-06-04 | 2016-02-03 | 安徽弘博电缆集团有限公司 | High-strength heat-resistant and aging-resistant cable sheath material |
| CN110016165A (en) * | 2018-01-08 | 2019-07-16 | 中国石油天然气股份有限公司 | A kind of polyethylene/butadiene rubber alloy material and preparation method thereof |
| CN115368650A (en) * | 2021-05-17 | 2022-11-22 | 天津市橡胶工业研究所有限公司 | High-temperature-resistant and oil-resistant flexible rubber sound insulation material and preparation method thereof |
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Application publication date: 20140430 |