CN104004157B - A kind of preparation method of soft thermoplastic polyurethane elastomers - Google Patents
A kind of preparation method of soft thermoplastic polyurethane elastomers Download PDFInfo
- Publication number
- CN104004157B CN104004157B CN201410243130.8A CN201410243130A CN104004157B CN 104004157 B CN104004157 B CN 104004157B CN 201410243130 A CN201410243130 A CN 201410243130A CN 104004157 B CN104004157 B CN 104004157B
- Authority
- CN
- China
- Prior art keywords
- thermoplastic polyurethane
- soft thermoplastic
- acid
- polyurethane elastomers
- preparation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6633—Compounds of group C08G18/42
- C08G18/6637—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/664—Compounds of group C08G18/42 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
- C08K5/1345—Carboxylic esters of phenolcarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Abstract
The invention discloses a kind of method preparing soft thermoplastic polyurethane elastomers, step is as follows: 1) add in reactor by the hydroxy-end capped polyester polyol of catalyzer, antiaging agent, branching, dewater under heating, vacuum condition, then cooling passes into nitrogen and removes vacuum; Add in reactor after diphenylmethanediisocyanate is heated, stir, obtain base polyurethane prepolymer for use as; 2) by polymeric linear single methanol, polymeric linear diol chain-extension agent and step 1) base polyurethane prepolymer for use as of gained mixes, and obtains Polyurethane Thermoplastic Elastomer; Then by Polyurethane Thermoplastic Elastomer under heating, vacuum condition, drying obtains soft thermoplastic polyurethane elastomers.Utilize the soft thermoplastic polyurethane elastomers that this disclosure of the invention method is obtained, be mainly used in the production of sole, grip, sealing component, dust cap etc., products obtained therefrom hardness is low, smooth surface.
Description
Technical field
The present invention relates to a kind of method for preparing thermoplastic polyurethane elastomer, particularly relate to a kind of preparation method of soft thermoplastic polyurethane elastomers.
Background technology
Polyurethane Thermoplastic Elastomer (being also called TPU) novel material is called as " epoch-making novel high polymer material ", is our times six one of synthetic materials with development prospect greatly.
The hardness of TPU determines primarily of the ratio of hard section (reacted by chain extension agent/chain extension agent and isocyanate groups and formed) with soft section (reacted by polyvalent alcohol and isocyanate groups and formed).If the amount reducing hard section is to lower than the amount needed for production Shore A 80TPU, the product obtained is clamminess, it is poor to solidify, and shows as the release property when injection molding poor, and cashes violent contraction, cannot ensure acceptable injection molding economically cycle time with this kind of TPU.High rigidity TPU due to hard segment content high, hard section concentration class is higher, thus causes TPU easily crisp, and processing temperature scope is general narrower, and causing goods to occur defect, easily caves in surface.
The method of current domestic production soft thermoplastic polyurethane elastomers has two kinds: one reduces hard segment content, but the product obtained is clamminess, it is poor to solidify, when showing as injection molding, release property is poor, and show violent contraction, the second adds softening agent to obtain, but this product is through placing for a long time, and softening agent can move to the surface of product, polluted product and the object contacted with product, therefore application is restricted.
Summary of the invention
Technical problem to be solved by this invention is to provide the preparation method of the soft thermoplastic polyurethane elastomers that a kind of hardness is low, product surface is smooth.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of preparation method of soft thermoplastic polyurethane elastomers, the steps include:
1) the hydroxy-end capped polyester polyol of catalyzer, antiaging agent, branching is added in reactor, 100 ~ 200 DEG C are warming up to the speed of 10 ~ 50 DEG C/min, intensification limit, limit vacuumizes, reacting kettle inner pressure is made to reach-0.08 ~-0.1MPa, maintenance reacting kettle inner pressure is-0.08 ~-0.1MPa, temperature is 100 ~ 200 DEG C, dehydration 0.5 ~ 5h, is then cooled to 65 ~ 85 DEG C, passes into nitrogen and removes vacuum; Add after diphenylmethanediisocyanate being heated to 40 ~ 45 DEG C in reactor, stir, obtain base polyurethane prepolymer for use as;
Described catalyzer accounts for 0.01% ~ 0.5% of the hydroxy-end capped polyester polyol total mass of branching; Described antiaging agent accounts for 0.01% ~ 0.5% of the hydroxy-end capped polyester polyol total mass of branching;
2) by polymeric linear single methanol, polymeric linear diol chain-extension agent and step 1) base polyurethane prepolymer for use as of gained mixes, and obtains Polyurethane Thermoplastic Elastomer; Then after pouring blend into container, then container is placed in moisture eliminator, keep dry device pressure-0.08 ~-0.1Mpa, temperature 80 ~ 150 DEG C, takes out, obtain soft thermoplastic polyurethane elastomers after dry 6 ~ 24h;
Described polymeric linear single methanol consumption accounts for 1% ~ 10% of polyurethane prepolymer weight;
Described polymeric linear diol chain-extension agent consumption accounts for 1% ~ 10% of polyurethane prepolymer weight.
The hydroxy-end capped polyester polyol of described branching is obtained through polycondensation by di-carboxylic acid and divalent alcohol, and its number-average molecular weight is 800 ~ 5000.
Described di-carboxylic acid is aliphatic dicarboxylic acid or aromatic binary carboxylic acid; Described divalent alcohol is neopentyl glycol.
Described aliphatic dicarboxylic acid is selected from one or both mixtures in pentanedioic acid, hexanodioic acid, suberic acid and sebacic acid; Described aromatic binary carboxylic acid is selected from one or both the mixture in phthalic acid, m-phthalic acid and terephthalic acid.
Described catalyzer is organic tin catalyzer.
Described organic tin catalyzer is selected from one or both mixtures in stannous octoate, dibutyltin diacetate and dibutyl tin laurate.
Described antiaging agent is selected from the mixture of a kind of in 2,6 di tert butyl 4 methyl phenol, four (4-hydroxyl-3,5-tert-butyl-phenyl propionic acid) pentaerythritol ester, 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl esters or any two kinds.
Described vulcabond is selected from 4,4-diphenylmethanediisocyanate, tolylene diisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, mixture to a kind of in phenyl diisocyanate or any two kinds.
The number-average molecular weight of described polymeric linear single methanol is 1000-4000.
Described polymeric linear diol chain-extension agent is selected from the one in following substances: BDO, 1,3-PD, Isosorbide-5-Nitrae-hexalin, neopentyl glycol, 1,6-hexylene glycol.
Beneficial effect of the present invention: the soft thermoplastic polyurethane elastomers adopting preparation method of the present invention to obtain is in the injection molding course of processing, each component fast setting, the easy demoulding, also there is splendid elasticity (namely without Soft segment) at low temperatures, substantially non-sclerous after being placed in cold temperature, products obtained therefrom hardness is low, smooth surface, is mainly used in the production of sole, grip, sealing component, dust cap etc.
Embodiment
Specific embodiment of the invention scheme is described below in detail.
Embodiment 1
Polyvalent alcohol 240g, the stannous octoate 0.5g, 2 by hexanodioic acid and neopentyl glycol polycondensation is added in 1 liter of reactor, 6-di-tert-butyl-4-methy phenol 0.5g, be warmed up to 150 DEG C with the speed of 20 DEG C/min, vacuum tightness reaches-0.085MPa, and dewater 1h at this temperature.Then be cooled to 75 DEG C, pass into nitrogen and remove vacuum.4,4-diphenylmethanediisocyanate 240g is heated to 43 DEG C, then joins in above-mentioned polyol blend, thus obtain base polyurethane prepolymer for use as.Add polymeric linear single methanol 36g, chainextender BDO 36g obtains Polyurethane Thermoplastic Elastomer.Above-mentioned elastomerics is poured into the polytetrafluoroethyldisk disk of clean dried, be placed horizontally in 90 DEG C of vacuum drying ovens, keep vacuum tightness to be take out after-0.085MPa, 10h, obtain moisture permeability Polyurethane Thermoplastic Elastomer.
The key technical indexes is: hardness 40A, tensile strength 11.5MPa, elongation: 963%, wear loss: 25mm
3.
Embodiment 2
Add by polyvalent alcohol 240g, the dibutyl tin laurate 1.0g of suberic acid and neopentyl glycol polycondensation, four (4-hydroxyls-3 in 1 liter of reactor, 5-tert-butyl-phenyl propionic acid) pentaerythritol ester 0.5g, 180 DEG C are warming up to the speed of 40 DEG C/min, vacuum tightness reaches-0.09MPa, and dewater 2h at this temperature.Then be cooled to 70 DEG C, pass into nitrogen and remove vacuum.Tolylene diisocyanate 240g is heated to 45 DEG C, then joins in above-mentioned polyol blend, thus obtain base polyurethane prepolymer for use as.Add polymeric linear single methanol 36g, chainextender 1,3-PD 48g obtains Polyurethane Thermoplastic Elastomer.Above-mentioned elastomerics is poured into the polytetrafluoroethyldisk disk of clean dried, be placed horizontally in 120 DEG C of vacuum drying ovens, keep vacuum tightness to be take out after-0.09MPa, 12h, obtain moisture permeability Polyurethane Thermoplastic Elastomer.
The key technical indexes is: hardness 35A, tensile strength 10.7MPa, elongation: 1368%, wear loss: 37mm
3.
Embodiment 3
Polyvalent alcohol 240g, the dibutyl tin laurate 2.4g, 3 by suberic acid and neopentyl glycol polycondensation is added in 1 liter of reactor, 5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester 0.5g, be warming up to 150 DEG C with the speed of 30 DEG C/min, vacuum tightness reaches-0.1MPa, and dewater 2h at this temperature.Then be cooled to 75 DEG C, pass into nitrogen and remove vacuum.4,4-diphenylmethanediisocyanate 240g is heated to 44 DEG C, then joins in above-mentioned polyol blend, thus obtain base polyurethane prepolymer for use as.Add polymeric linear single methanol 36g, chainextender Isosorbide-5-Nitrae-hexalin 30g with 1500rpm rotating speed mechanical stirring 120s, obtain Polyurethane Thermoplastic Elastomer.This elastomerics is poured into the polytetrafluoroethyldisk disk of clean dried, be placed horizontally in 100 DEG C of vacuum drying ovens, keep vacuum tightness to be take out after-0.1MPa, 8h, obtain moisture permeability Polyurethane Thermoplastic Elastomer.
The key technical indexes is: hardness 30A, tensile strength 13.7MPa, elongation: 1194%, wear loss: 32mm
3.
Claims (9)
1. a preparation method for soft thermoplastic polyurethane elastomers, the steps include:
1) the hydroxy-end capped polyester polyol of catalyzer, antiaging agent, branching is added in reactor, 100 ~ 200 DEG C are warming up to the speed of 10 ~ 50 DEG C/min, intensification limit, limit vacuumizes, reacting kettle inner pressure is made to reach-0.08 ~-0.1MPa, maintenance reacting kettle inner pressure is-0.08 ~-0.1MPa, temperature is 100 ~ 200 DEG C, dehydration 0.5 ~ 5h, then adjusts reactor temperature to 65 ~ 85 DEG C, passes into nitrogen and removes vacuum; Add after diphenylmethanediisocyanate being heated to 40 ~ 45 DEG C in reactor, stir, obtain base polyurethane prepolymer for use as;
Described catalyzer accounts for 0.01% ~ 0.5% of the hydroxy-end capped polyester polyol total mass of branching; Described antiaging agent accounts for 0.01% ~ 0.5% of the hydroxy-end capped polyester polyol total mass of branching;
2) polymeric linear single methanol, polymeric linear diol chain-extension agent are mixed with the base polyurethane prepolymer for use as of step 1) gained, obtain Polyurethane Thermoplastic Elastomer; Then by Polyurethane Thermoplastic Elastomer under pressure-0.08 ~-0.1Mpa, temperature 80 ~ 150 DEG C of conditions, dry 6 ~ 24h, obtains soft thermoplastic polyurethane elastomers;
Described polymeric linear single methanol consumption accounts for 1% ~ 10% of polyurethane prepolymer weight;
Described polymeric linear diol chain-extension agent consumption accounts for 1% ~ 10% of polyurethane prepolymer weight.
2. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 1, it is characterized in that: the hydroxy-end capped polyester polyol of described branching is obtained through polycondensation by di-carboxylic acid and divalent alcohol, its number-average molecular weight is 800 ~ 5000.
3. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 2, is characterized in that: described di-carboxylic acid is aliphatic dicarboxylic acid or aromatic binary carboxylic acid; Described divalent alcohol is neopentyl glycol.
4. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 3, is characterized in that: described aliphatic dicarboxylic acid is selected from the mixture of a kind of in pentanedioic acid, hexanodioic acid, suberic acid and sebacic acid or any two kinds; Described aromatic binary carboxylic acid is selected from the mixture of a kind of in phthalic acid, m-phthalic acid and terephthalic acid or any two kinds.
5. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 1, is characterized in that: described catalyzer is organic tin catalyzer.
6. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 5, is characterized in that: described organic tin catalyzer is selected from the mixture of a kind of in stannous octoate, dibutyltin diacetate and dibutyl tin laurate or any two kinds.
7. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 1, it is characterized in that: described antiaging agent is selected from 2,6-di-tert-butyl-4-methy phenol, four (4-hydroxyls-3,5-tert-butyl-phenyl propionic acid) pentaerythritol ester, a kind of in 3,5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl esters or any two kinds mixture.
8. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 1, it is characterized in that: described vulcabond is selected from 4,4 ＇-diphenylmethanediisocyanate, tolylene diisocyanate, isophorone diisocyanate, hexamethylene diisocyanate, mixture to a kind of in phenyl diisocyanate or any two kinds.
9. the preparation method of a kind of soft thermoplastic polyurethane elastomers according to claim 1, is characterized in that: the number-average molecular weight of described polymeric linear single methanol is 1000-4000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243130.8A CN104004157B (en) | 2014-06-03 | 2014-06-03 | A kind of preparation method of soft thermoplastic polyurethane elastomers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243130.8A CN104004157B (en) | 2014-06-03 | 2014-06-03 | A kind of preparation method of soft thermoplastic polyurethane elastomers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104004157A CN104004157A (en) | 2014-08-27 |
| CN104004157B true CN104004157B (en) | 2016-04-13 |
Family
ID=51365081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410243130.8A Active CN104004157B (en) | 2014-06-03 | 2014-06-03 | A kind of preparation method of soft thermoplastic polyurethane elastomers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104004157B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105037677B (en) * | 2015-09-07 | 2019-01-18 | 东莞市吉鑫高分子科技有限公司 | A kind of highly -branched thermoplastic polyurethane elastomer and preparation method thereof |
| CN109970946A (en) * | 2017-12-27 | 2019-07-05 | 上海优迈材料科技有限公司 | A kind of preparation method of environmental protection low hardness polyurethane elastic body |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200530A (en) * | 2006-12-11 | 2008-06-18 | 拜尔材料科学有限公司 | Soft thermoplastic polyurethane elastomers and methods of making and using the same |
| CN102120877A (en) * | 2011-01-17 | 2011-07-13 | 中国皮革和制鞋工业研究院 | Ultralow-hardness polyurethane elastomer and preparation method thereof |
| CN102796241A (en) * | 2012-09-03 | 2012-11-28 | 奥斯汀新材料（张家港）有限公司 | Preparation method for modified thermoplastic polyurethane elastomer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993024549A1 (en) * | 1992-06-04 | 1993-12-09 | Olin Corporation | Hard thermoplastic polyurethane elastomers |
-
2014
- 2014-06-03 CN CN201410243130.8A patent/CN104004157B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101200530A (en) * | 2006-12-11 | 2008-06-18 | 拜尔材料科学有限公司 | Soft thermoplastic polyurethane elastomers and methods of making and using the same |
| CN102120877A (en) * | 2011-01-17 | 2011-07-13 | 中国皮革和制鞋工业研究院 | Ultralow-hardness polyurethane elastomer and preparation method thereof |
| CN102796241A (en) * | 2012-09-03 | 2012-11-28 | 奥斯汀新材料（张家港）有限公司 | Preparation method for modified thermoplastic polyurethane elastomer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104004157A (en) | 2014-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104059214B (en) | A kind of high rigidity method for preparing thermoplastic polyurethane elastomer | |
| US7799874B2 (en) | Catalytic compositions | |
| CN102199269B (en) | Heat-resistant thermoplastic polyurethane elastomer and preparation method thereof | |
| Petrović | Polyurethanes from vegetable oils | |
| CN102898816B (en) | Preparation method of moisture-permeable thermoplastic polyurethane elastomer | |
| KR101537052B1 (en) | Soft, elastic, plasticizer-free thermoplastic polyurethane and process to synthesize the same | |
| CN103608372A (en) | Thermoplastic polyurethane with reduced tendency to bloom from a bio-based glycol | |
| AU2012327771A1 (en) | Polyether-ester polyol and usage thereof | |
| WO2014205919A1 (en) | Biodegradable polyurethane elastomer with low melting point and preparation process thereof | |
| CN102250308A (en) | Polyurethane elastomer composite and preparation method of transparent elastomer thereof | |
| CN109810666B (en) | Polyurethane adhesive with degradation characteristic and preparation method thereof | |
| CN104004157B (en) | A kind of preparation method of soft thermoplastic polyurethane elastomers | |
| CN105143296B (en) | The discoloration of the thermoplastic polyurethane based on polymer polyatomic alcohol is reduced by introducing aliphatic isocyanate | |
| CN104031238A (en) | Preparation method of high-damping high-flexibility thermoplastic polyurethane elastomer | |
| CN102796241B (en) | Preparation method for modified thermoplastic polyurethane elastomer | |
| CN103502298A (en) | Polyisocyanate polyaddition products, a process for preparation thereof and use thereof | |
| CN110157178A (en) | A kind of low abrasion method for preparing thermoplastic polyurethane elastomer of high slip preventing | |
| WO2014015119A2 (en) | Fire department and/or antistatic, non-mercury catalyzed polyurethane elastomer | |
| US20120018066A1 (en) | Natural oil polyols in elastomers for tires | |
| KR20100137479A (en) | Cyclic alkylene carbonate-derived isocyanate-terminated prepolymers, method for their preparation and their use | |
| JP2015516003A (en) | Method of controlling (extending) pot life of chain-extended polyurethane (PU) based systems | |
| CA2859595C (en) | A method of adjusting the tack value of a binder composition | |
| CN106632980B (en) | A kind of stable NDI performed polymer and its preparation method and application | |
| CN103665303A (en) | Preparation method of waterproof cellular polyurethane elastomer | |
| ES2647233T3 (en) | Method for applying a binder composition to a lignocellulosic substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160620 Address after: 215600, Austen, Mstar Technology Ltd, 17 Yue Yue Road, Zhangjiagang Economic Development Zone, Jiangsu, Suzhou Patentee after: SUZHOU AUSTIN NOVEL MATERIALS TECHNOLGY CO., LTD. Address before: 215600 Austen new material (Zhangjiagang) Co., Ltd., No. 17, Yue Feng Road, Zhangjiagang Economic Development Zone, Suzhou, Jiangsu, Jiangsu Patentee before: Austen new material (Zhangjiagang) Co., Ltd. |