WO2007067890B1 - Method of dust abatement - Google Patents

Method of dust abatement

Info

Publication number
WO2007067890B1
WO2007067890B1 PCT/US2006/061602 US2006061602W WO2007067890B1 WO 2007067890 B1 WO2007067890 B1 WO 2007067890B1 US 2006061602 W US2006061602 W US 2006061602W WO 2007067890 B1 WO2007067890 B1 WO 2007067890B1
Authority
WO
WIPO (PCT)
Prior art keywords
solution
applying
water
dry basis
soluble polymer
Prior art date
Application number
PCT/US2006/061602
Other languages
French (fr)
Other versions
WO2007067890A2 (en
WO2007067890A3 (en
Inventor
Christian Rath
Andrew P Verrall
Original Assignee
Monosol Llc
Christian Rath
Andrew P Verrall
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Monosol Llc, Christian Rath, Andrew P Verrall filed Critical Monosol Llc
Priority to JP2008544627A priority Critical patent/JP2009518525A/en
Priority to CA002624419A priority patent/CA2624419A1/en
Priority to US12/089,123 priority patent/US20080255290A1/en
Priority to EP06846467A priority patent/EP1963457A2/en
Priority to AU2006321618A priority patent/AU2006321618A1/en
Publication of WO2007067890A2 publication Critical patent/WO2007067890A2/en
Publication of WO2007067890A3 publication Critical patent/WO2007067890A3/en
Publication of WO2007067890B1 publication Critical patent/WO2007067890B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/18—Prepolymers; Macromolecular compounds
    • C09K17/20—Vinyl polymers

Abstract

A method of dust abatement, including applying and reapplying to a surface having particulate material a single-phase solution including a water-soluble polymer selected from the group consisting of polyvinyl alcohol, derivatives thereof, and combinations thereof, at a rate of 0.1 g/m to 6 g/m2, on a dry basis, and suitable solutions for the method optionally including surfactants, plasticizers, tackifying agents, and nanoclays, are disclosed.

Claims

AMENDED CLAIMSreceived by the International Bureau on 31 August 2007 (31.08.07)
1. A method of dust abatement, comprising: applying to a surface comprising particulate material a single-phase solution comprising a water-soluble polymer selected from the group consisting of polyvinyl alcohol, derivatives thereof, and combinations thereof, at a rate of 10 g/rn2 to 150 g/m2, on a dry basis, wherein the applying comprises a first application step and at least one wet reappHcation step.
2. The method according to claim 1 , comprising applying the solution at a rate of 50 g/m2 to 150 g/m2, on a dry basis.
3. The method according to any one of the preceding claims, wherein the solution comprises 0.01 wt.% to 20 wt.% solids.
4. The method according to claim 3, wherein the solution comprises 4 wt.% to 16 wt.% solids.
5. A method of dust abatement, comprising: applying to a surface comprising particulate material in a first application step a single-phase solution comprising a water-soluble polymer selected from the group consisting of polyvinyl alcohol, derivatives thereof, and combinations thereof, at a rate of 1 g/m2 to 50 g/m2, on a dry basis; and re-applying the solution in a second application step after the first application of solution has at least partially dried.
6. The method according to claim 5, wherein the re-applying is performed after the first application of solution has at least substantially dried.
7. The method according to claim 5, wherein the re-applying is performed at least about 6 hours after the first application.
8. The method according to claim 7, wherein the rc-applying is performed up to 48 hours after the first application. 19
9. The method according to any one of claims 5 to 8, wherein the re-applying is performed at a rate of 1 g/m2 to 50 g/m2., on a dry basis.
10. The method according to any one of claims 5 to 9, wherein the re-applying is performed prior to optionally physically disturbing the surface.
11. The method according to any one of claims 5 to 9, wherein the total yield of solution is at least 5 g/m2, on a dry basis.
12. The method according to claim 11 , wherein the total yield of solution is at least 20 g/m2, on a dry basis.
13. The method according to any one of claims 5 to 12, wherein the solution comprises 0.01 wt.% to 20 wt.% solids.
14. The method according to claim 13, wherein the solution comprises 0.01 wt.% to about 5 wt.% solids.
15. The method according to any one of the preceding claims, wherein the solution further comprises a plasticizer.
16. The method according to claim 15, wherein the plasticizer is present in an amount in a range from 5 wt.% to 40 wt.% of the composition, on a dry basis,
17. The method according to any one of the preceding claims, wherein the solution further comprises a surfactant.
18. The method according to any one of the preceding claims, wherein the solution further comprises a tackifying agent.
19. The method according to any one of the preceding claims, wherein the solution further comprises a nanoscale particulate material.
20. The method according to claim 19, wherein the nanoscale particulate material is present in an amount in a range of about 2 wt.% to about 5 wt.% of the solution on a dry basis. 20
21. The method according to claim 19 or 20, wherein the nanoscale particulate material is selected from the group consisting of liydrophilic smectite nanoclays, and combinations thereof.
22. The method according to any one of the preceding claims, wherein the water- soluble polymer provides a 4% solution viscosity in a range of 5 cP to 40 cP at 20 0C.
23. The method according to any one of the preceding claims, wherein the applying comprises spraying the solution to create a mist comprising substantially discrete droplets.
24. The method according to any one of the preceding claims, wherein the applying results in a depth of penetration of the solution into the surface in a range of 7 mm to 15 mm.
25. The method according to any one of the preceding claims, further comprising first applying water to the surface prior to applying the solution.
26. The method according to any one of the preceding claims, wherein the particulate material is sand.
27. The method according to any one of the preceding claims, wherein the water- soluble polymer is soluble in cold water.
28. The method according to any one of the preceding claims, wherein the solution further comprises less than 5 wt.% of a crosslinking agent, based on the weight of the water-soluble polymer, selected from the group consisting of those that form complexes via labile polar covalent interactions, those that crosslink via ionic interactions, those that crosslink via hydrogen bonding interactions, and combinations of such crosslinking agents.
29. The method according to any one of the preceding claims, wherein the solution further comprises less than 5 wt.% of a crosslinking agent, based on the weight of the water-soluble polymer, selected from the group consisting of borates, boric acid, ammonium zirconium carbonate, inorganic polyions, Group IB salts, polyamide- epichlorohydrin resin, and combinations thereof. 21
30. The method according to claim 29, wherein the crosslinking agent comprises boric acid.
31. The method according to any one of claims 1 to 27, wherein the solution is essentially free of crosslinking agents for the water-soluble polymer
PCT/US2006/061602 2005-12-08 2006-12-05 Method of dust abatement WO2007067890A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2008544627A JP2009518525A (en) 2005-12-08 2006-12-05 How to reduce dust
CA002624419A CA2624419A1 (en) 2005-12-08 2006-12-05 Method of dust abatement
US12/089,123 US20080255290A1 (en) 2005-12-08 2006-12-05 Method of Dust Abatement
EP06846467A EP1963457A2 (en) 2005-12-08 2006-12-05 Method of dust abatement
AU2006321618A AU2006321618A1 (en) 2005-12-08 2006-12-05 Method of dust abatement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/298,269 2005-12-08
US11/298,269 US20070135561A1 (en) 2005-12-08 2005-12-08 Method of dust abatement

Publications (3)

Publication Number Publication Date
WO2007067890A2 WO2007067890A2 (en) 2007-06-14
WO2007067890A3 WO2007067890A3 (en) 2007-09-07
WO2007067890B1 true WO2007067890B1 (en) 2007-10-18

Family

ID=37895842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/061602 WO2007067890A2 (en) 2005-12-08 2006-12-05 Method of dust abatement

Country Status (7)

Country Link
US (2) US20070135561A1 (en)
EP (1) EP1963457A2 (en)
JP (1) JP2009518525A (en)
CN (1) CN101292008A (en)
AU (1) AU2006321618A1 (en)
CA (1) CA2624419A1 (en)
WO (1) WO2007067890A2 (en)

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Also Published As

Publication number Publication date
JP2009518525A (en) 2009-05-07
CA2624419A1 (en) 2007-06-14
WO2007067890A2 (en) 2007-06-14
WO2007067890A3 (en) 2007-09-07
CN101292008A (en) 2008-10-22
EP1963457A2 (en) 2008-09-03
US20080255290A1 (en) 2008-10-16
US20070135561A1 (en) 2007-06-14
AU2006321618A1 (en) 2007-06-14

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