CN102993981A - Colorless rosin modified resin and production method thereof - Google Patents
Colorless rosin modified resin and production method thereof Download PDFInfo
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- CN102993981A CN102993981A CN2012104996898A CN201210499689A CN102993981A CN 102993981 A CN102993981 A CN 102993981A CN 2012104996898 A CN2012104996898 A CN 2012104996898A CN 201210499689 A CN201210499689 A CN 201210499689A CN 102993981 A CN102993981 A CN 102993981A
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Abstract
The invention relates to a colorless rosin modified resin and a production method thereof. The production method comprises the following steps of: A. dissolving special-grade rosin, and carrying out preliminary distillation in vacuum; B. heating the material subjected to preliminary distillation, carrying out middle distillation in vacuum; C. feeding the material subjected to the middle distillation to a reaction kettle, adding 6-tertinary butyl-3-methylphenol, and carrying out steam blowing and vacuum dehydration; D. adding a stabilizing agent compounded by di-tert-butyl p-methyl phenol and phosphite ester after heating, opening cooling water of a condenser, dropwise adding glycerol, carrying out esterification reaction after heating, and taking a sample for testing an acid value; E. blowing the resin in the kettle by using a steam jet after the tested acid value is qualified; F. carrying out vacuum dehydration with roots after completing blowing; and G preparing nitrogen for protection, cooling, pelleting and packaging. According to the production method, heavy oil and black fragrance can be further removed through the secondary distillation in vacuum so that the original pale rosin modified resin turns into the true colorless rosin modified resin.
Description
Technical field
The present invention relates to a kind of colourless modified rosin resin and production method thereof.
Background technology
So-called colourless modified rosin resin in the market still has light color, does not still satisfy the fields such as some medicine, daily-use chemical industry.
Summary of the invention
The purpose of this invention is to provide a kind of colourless modified rosin resin and the production method thereof that can reach colourless fully.
The technical scheme that the present invention takes is: a kind of colourless modified rosin resin is characterized in that its composition by weight is: 0.5～0.8 kilogram of compound 0～0.3 kilogram of the stablizer of superfine rosin 95～double centner, 10～15 kilograms of glycerine, ditertbutylparacresol and phosphorous acid ester, 6-tertiary butyl-3-methylphenol.
The production method of described a kind of colourless modified rosin resin, it is characterized in that it comprise the following steps: A, with after the superfine rosin dissolving, enter still kettle and under 200 ℃～210 ℃ temperature, be with vacuum distilling to carry out fore-running; B, the material after the fore-running heated to the vacuum distilling of 275 ℃ ± 10 ℃ bands heat up in a steamer in carrying out; Send into reactor behind the material dissolution after heating up in a steamer among C, the general, add 6-tertiary butyl-3-methylphenol, when temperature reaches 190 ℃～200 ℃, use steaming out 30 minutes, vacuum hydro-extraction 0.5 hour; D, temperature rise to 220 ℃～230 ℃ and add ditertbutylparacresols and the compound stablizer of phosphorous acid ester, open condenser cooling water, drip glycerine, and constant temperature carried out esterification sample examination acid number after 6 hours after temperature rose to 265 ℃; E, chemical examination acid number are qualified to purge in the still resin 1 hour afterwards with steam jet; F, purge complete again with Roots vacuum dehydration 3 hours; G, nitrogen protection processed, cooling, granulation, packing.
Adopt the present invention, can further but except heavy oil and black fragrant, make original pale rosin modified resin become real colourless modified rosin resin by band vacuum second distillation.
Embodiment
The invention will be further described below in conjunction with specific embodiment.The production method of this colourless modified rosin resin comprises the following steps:
One, with after superfine rosin 95～100 dissolvings, enters still kettle and under 200 ℃～210 ℃ temperature, be with vacuum distilling to carry out fore-running, remove wherein heavy oil;
Two, will heat through the material after the fore-running and heat up in a steamer in carrying out to the vacuum distilling of 275 ℃ ± 10 ℃ bands, remove black perfume (or spice) wherein;
Three, send into reactor behind the material dissolution after heating up in a steamer in will passing through, temperature reaches 190 ℃～200 ℃, with steaming out 30 minutes, and vacuum hydro-extraction 0.5 hour;
Four, add 0～0.3 kilogram of ditertbutylparacresol when temperature rises to 220 ℃～230 ℃, open condenser cooling water, drip glycerine 10～15, constant temperature carried out esterification sample examination acid number after 6 hours after temperature rose to 265 ℃;
Five, the chemical examination acid number is qualified purged in the still resin 1 hour afterwards with steam jet;
Six, purging is complete again with Roots vacuum dehydration 3 hours.
In above-mentioned, can further but except heavy oil and black fragrant, make original pale rosin modified resin become real colourless modified rosin resin by band vacuum second distillation.
Claims (2)
1. colourless modified rosin resin is characterized in that its composition by weight is: 0.5～0.8 kilogram of compound 0～0.3 kilogram of the stablizer of superfine rosin 95～double centner, 10～15 kilograms of glycerine, ditertbutylparacresol and phosphorous acid ester, 6-tertiary butyl-3-methylphenol.
2. a kind of colourless modified rosin resin according to claim 1 is characterized in that its production method comprises the following steps: A, with after the superfine rosin dissolving, enters still kettle and is with vacuum distilling to carry out fore-running under 200 ℃～210 ℃ temperature; B, the material after the fore-running heated to the vacuum distilling of 275 ℃ ± 10 ℃ bands heat up in a steamer in carrying out; Send into reactor behind the material dissolution after heating up in a steamer among C, the general, add 6-tertiary butyl-3-methylphenol, when temperature reaches 190 ℃～200 ℃, use steaming out 30 minutes, vacuum hydro-extraction 0.5 hour; D, temperature rise to 220 ℃～230 ℃ and add ditertbutylparacresols and the compound stablizer of phosphorous acid ester, open condenser cooling water, drip glycerine, and constant temperature carried out esterification sample examination acid number after 6 hours after temperature rose to 265 ℃; E, chemical examination acid number are qualified to purge in the still resin 1 hour afterwards with steam jet; F, purge complete again with Roots vacuum dehydration 3 hours; G, nitrogen protection processed, cooling, granulation, packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499689.8A CN102993981B (en) | 2012-11-30 | 2012-11-30 | Colorless rosin modified resin and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210499689.8A CN102993981B (en) | 2012-11-30 | 2012-11-30 | Colorless rosin modified resin and production method thereof |
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| Publication Number | Publication Date |
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| CN102993981A true CN102993981A (en) | 2013-03-27 |
| CN102993981B CN102993981B (en) | 2014-05-28 |
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| CN201210499689.8A Active CN102993981B (en) | 2012-11-30 | 2012-11-30 | Colorless rosin modified resin and production method thereof |
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Cited By (5)
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| CN103627325A (en) * | 2013-11-28 | 2014-03-12 | 广东科茂林产化工股份有限公司 | Preparation method of light-colored low-odor tall oil rosin ester |
| CN104059600A (en) * | 2014-06-29 | 2014-09-24 | 陈昆 | Modified rosin resin dispersoid and preparation method thereof |
| CN104497916A (en) * | 2014-12-15 | 2015-04-08 | 湖州天强绫绢工艺品有限公司 | Ghatpot silk handicraft picture mounting process, EVA (ethylene-vinyl acetate copolymer) hot melt adhesive and modified rosin resin |
| CN104694015A (en) * | 2015-03-18 | 2015-06-10 | 桂林兴松林化有限责任公司 | Preparation method of light-color glycerol ester of rosin |
| CN112094553A (en) * | 2020-09-18 | 2020-12-18 | 东莞公民实业有限公司 | Odorless wood wax oil for wiping |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627325A (en) * | 2013-11-28 | 2014-03-12 | 广东科茂林产化工股份有限公司 | Preparation method of light-colored low-odor tall oil rosin ester |
| CN103627325B (en) * | 2013-11-28 | 2015-03-11 | 广东科茂林产化工股份有限公司 | Preparation method of light-colored low-odor tall oil rosin ester |
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| CN104497916A (en) * | 2014-12-15 | 2015-04-08 | 湖州天强绫绢工艺品有限公司 | Ghatpot silk handicraft picture mounting process, EVA (ethylene-vinyl acetate copolymer) hot melt adhesive and modified rosin resin |
| CN104497916B (en) * | 2014-12-15 | 2016-06-08 | 湖州天强绫绢工艺品有限公司 | Thin silk fabric thin,tough silk handicraft picture mounting process, EVA hot-melt adhesive and modified rosin resin |
| CN104694015A (en) * | 2015-03-18 | 2015-06-10 | 桂林兴松林化有限责任公司 | Preparation method of light-color glycerol ester of rosin |
| CN112094553A (en) * | 2020-09-18 | 2020-12-18 | 东莞公民实业有限公司 | Odorless wood wax oil for wiping |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102993981B (en) | 2014-05-28 |
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Inventor after: Cheng Yongyang Inventor after: Yan Zhengwen Inventor after: Xing Chunguang Inventor before: Cheng Yongyang Inventor before: Yan Zhengwen |
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Free format text: CORRECT: INVENTOR; FROM: CHENG YONGYANG YAN ZHENGWEN TO: CHENG YONGYANG YAN ZHENGWEN XING CHUNGUANG |