SG193457A1 - Auto-crusting microporous elastomer composition foruse in polyurethane foam-filled tire - Google Patents

Auto-crusting microporous elastomer composition foruse in polyurethane foam-filled tire Download PDF

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Publication number
SG193457A1
SG193457A1 SG2013069141A SG2013069141A SG193457A1 SG 193457 A1 SG193457 A1 SG 193457A1 SG 2013069141 A SG2013069141 A SG 2013069141A SG 2013069141 A SG2013069141 A SG 2013069141A SG 193457 A1 SG193457 A1 SG 193457A1
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Singapore
Prior art keywords
polyurethane foam
component
elastomer composition
composition used
tires
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SG2013069141A
Inventor
Qingfeng Sun
Zhaoren Sun
Sen Luan
Fugang Niu
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Shandong Dongda Inov Polyurethane Co Ltd
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Publication of SG193457A1 publication Critical patent/SG193457A1/en

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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
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C5/00—Inflatable pneumatic tyres or inner tubes
    • B60C5/002—Inflatable pneumatic tyres or inner tubes filled at least partially with foam material
    • 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
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation 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
    • 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
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • 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
    • C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
    • C08G18/632—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers onto polyethers
    • 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
    • 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
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/0066—≥ 150kg/m3

Abstract

AUTO-CRUSTING MICROPOROUS ELASTOMER COMPOSITION FOR USE IN POLYURETHANE FOAM-FILLED TIRE5The present invention relates to an auto-crusting microporous elastomer composition for use in a polyurethane foam-filled tire. The composition consists of constituent A and constituent B. Constituent A comprises polyether polyols, polymeric polyols, a crosslinking agent and/or a chain extender, a foam stabilizer, a catalyst, and10 a foaming agent. Constituent B is an alcohol-modified isocyanate, where the mass content of -NCO is between 18.0% and 20.0%. The mixing mass ratio between constituent A and constituent B is 100:70 to 100. A microporous elastomer material prepared from the composition material is provided with great mechanical properties, and is allowed to replace an existing regular polyester shoe sole material in15 manufacturing the polyurethane foam-filled tire.Nil

Description

AUTO-CRUSTING MICROPOROUS ELASTOMER COMPOSITION FOR
USE IN POLYURETHANE FOAM-FILLED TIRE
FIELD OF THE INVENTION
The invention belongs to the field of polyurethane elastomers, involving in particular a auto-crusting microporous elastomer composition for use in polyurethane foam-filled tire.
BACKGROUND OF THE INVENTION
The integral skin microcellular polyurethane clastomer is a PU foam elastomer material with surface and core once formed in the foaming process. As a new material between foam and elastomer, it combines the good mechanical properties of elastomer and the comfort of foams with many advantages such as high strength, good toughness, light weight, smooth compression stress conductivity, oil or water-resistant and excellent fatigue resistance. Its excellent buffer damping property enables it to gradually replace the traditional rubber materials and to be widely used in automotive soft parts, such as the preparation of the tires.
At present, B material used in the preparation of polyurethane foam tires is mostly polyester semi-prepolymer, ie. the common polyurethane sole resin. The microcellular elastomer made from polyester type B material has excellent mechanical properties.
The foam material shows high hardness and good elasticity. However, the polymer molecular structure contains a large number of polar ester groups. Under the action of the alternating stress, its endogenous heat increases. A high accumulation of heat casily leads to burning and loss of applicability. Therefore, the low temperature performance and dynamic mechanical properties of the polyester-based polyurethane foam tires are relatively not very good. In addition, due to the easy hydrolysis of the ester groups in the polyester polyols, the tires in hot and humid conditions are prone to molecular chain scission and decomposition. For polyester elastomer materials, the resistance to hydrolysis and fungal is pretty low.
Using polyether semi-prepolymer to prepare PU microcellular clastomer can effectively solve those problems. But the mechanical properties of the PU microcellular elastomer prepared by using conventional polyether semi-prepolymer are too low. Under the same density conditions, the skin hardness is also too low, making it difficult to achieve the surface hardness and mechanical properties requirements of polyurethane foam tires. Many patents have reported the microcellular elastomer prepared from a new low unsaturated polyether polyols has better performance. Patent CN 1341132A has reported PU microcellular elastomer used for the sole and insoles. Patent CN 1341132A has reported PU microcellular elastomer used for car armrest, car steering wheel, sole and insole. CN 1986592A has 40 reported a way to improve the mechanical properties of the polyether type polyurethane microcellular elastomer. But the vast majority of the microcellular elastomer material mentioned in these patents can be used only for polyurethane soles or insoles and not for polyurethane foam tires. Patent CN 101857670A claimed to use polycarbonate polyols made from carbon dioxide and epoxide in the preparation of microcellular elastomer with good mechanical properties. But it only applies to the preparation of polyurethane insole material. The polyether microcellular elastomer combination used in polyurethane tires is rarely reported in the literature.
SUMMARY OF THE INVENTION
The technical problem to be solved by this invention is to provide a polyether-based microcellular elastomer combination used in polyurethane foam tires. The polyurethane foam tires prepared by using this composition have excellent mechanical properties, good elasticity, high skin hardness and excellent resistance to hydrolysis and fungal.
The technical solution of the present invention is: An integral skin microcellular elastomer composition used for the polyurethane foam tires. The composition consists of A and B components, of which: (1) The A component contains polyether polyols, polymer polyols, cross-linking agent and / or chain extender, foam stabilizers, catalysts and foaming agents. Take the total mass of polyether polyols and polymer polyols as 100%, the polyether polyols content is 60 ~ 90% while the polymer polyols content is 10 ~ 40%. The percentage of other components as compared to the total weight of polyether polyols and polymer polyols are: cross-linking agent or / and chain extender 10 to 25%, foam stabilizer 0.2 to 2.5%, catalyst 0.03 to 1.0%, and foaming agent 0.01 to 10%. (2) B component is the alcohol-modified isocyanate. -NCO content is between 18.0% and 20.0%.The raw material composition by weight percentage is: Polyether Polyol, 20~40%; Small molecule alcohols, 0~10%; Isocyanate, 50~70%. (3) Mix component A and B by the weight ratio of 100:70 ~ 100.for the preparation of
PU foam tires.
The optimal technical solutions are as follows:
The polyether polyol contained in component A is the high primary hydroxyl content and low unsaturated polyether polyol. The number average molecular weight is 5000 to 8000. The functionality is 2 to 3. The content of the primary hydroxyl is = 65%.
And the degree of unsaturation is << 0.008meq / g.
The polymer polyol contained in component A is the styrene-acrylonitrile graft modified polyether polyol. The optimal choice is one or more Dongda Chemical production of the POP36/28 POP93/28 and POP40 (commercial product).
The cross-linking agents contained in component A are glycerol, trimethylolpropane, pentaerythritol, triethanolamine, diethanolamine or the mixture of those above. The chain extenders are 3,3 — dichloro, 4,4 - diphenyl toluene diamine, 3,5 - bis toluene diamine, 3,5 - diethyl toluene diamine, ethylene glycol, propylene glycol, 1,4 - butanediol, diethylene glycol, dipropylene glycol, 1,3 — pentanediol or the mixture of those above. The optimal choice is 1,4 - butanediol. Both cross-linking agents and chain extenders can be chosen to use in component A. One or more of the material described above can be chosen.
Foam stabilizer in component A is silicone surfactant. The optimal choice is DC3043 (commercial product) of the Air Products and Chemicals Co., Ltd. in the U.S. or 8444 (commercial product) of Goldschmidt Chemical Co., Ltd. in Shanghai.
The catalyst is organic tin catalyst and / or tertiary amine catalyst. The optimal choice is one or more of the dilaurate dibutyltin, triethyldiamine, bis (dimethyl aminoethyl) ether, and the delay equilibrium catalyst. The foaming agent is HCFC-14B.
The polyether polyols contained in component B have the following properties: The number average molecular weight is 6000 to 8000; The functionality is 3; The content of the primary hydroxyl is = 75%; And the degree of unsaturation is << 0.008meq / g.
The small molecule alcohols contained in component B are 1,4 - butanediol, 2 - methyl 1,3 - propylene glycol, diethylene glycol, dipropylene glycol, 1,3 - pentanediol or a mixture of those above. The optimal amount is 5% to 10% of the raw material in component B.
The isocyanate contained in component B is 4,4 - diphenyl methane diisocyanate or carbonized carbodiimide modified isocyanate.
The advantages of this invention: The polyurethane foam tires prepared from the composition of this invention have excellent mechanical properties, good elasticity and high epidermal hardness.
DETAILED DESCRIPTION/PREFERRED EXAMPLE
The following examples further illustrate the present invention.
Example 1:
Take polyether polyols (EP-330NG by Shandong Dongda Chemical Co., Ltd.) 85kg, polymer polyols (POP36/28 by Shandong Dongda Chemical Co., Ltd.) 15kg, 1,4 - D diol 12kg, glycol 7kg, glycerol 1kg, silicone foam agent 8444 (Goldschmidt
Chemical Co., Ltd. Shanghai) 0.2kg, and tertiary amines and organic tin catalyst (A-33 and T-12) 0.20kg and 0.18 kg respectively, and foaming agent of
HCFC-141B 12kg. Put them in the reactor. Fully mix at 25 °C. Take out the material, Seal and store.
Take polyether polyols (EP-3600 by Shandong Dongda Chemical Co., Ltd.) 33.45kg and dipropylene glycol 1.76kg. Place them in the reactor. Heat to 100 ~ 110 °C. Dehydrate in vacuum (-0.09MPa) for 1.5 to 2 hours. Then cool to 30 to 40 50 °C. Add 61.62kg 4,4 - diphenyl methane diisocyanate (pure MDI). Slowly heat to 80 ~ 85 °C. Maintain temperature and react for 1.5 to 2 hours. Add 3.17kg carbonized carbodiimide-modified MDI. Stir for 0.5 hours. Sample and test until -NCO content reaches 19.8%. Cool to 40 °C. Take out the material, Seal and store.
When used, the temperature of component A is maintained at 25 to 30 °C while component B is maintained at 30 ~ 40 °C. Rapidly mix and stir A and B microcellular material according to the weight ratio of 100:90. Centrifugal cast to mold to obtain PU microcellular elastic tire.
Example 2:
Take polyether polyols (EP-3600 by Shandong Dongda Chemical Co., Ltd.) 70kg, polymer polyols (POP36/28 by Shandong Dongda Chemical Co., Ltd.) 30kg, 1,4 - D diol 10kg, ethylene glycol 7kg, dipropylene glycol 2kg, glycerol 1kg, silicone foam agent DC3043 (U.S. Air Products and Chemicals Co., Ltd) 0.2kg, and tertiary amines and organic tin catalyst (A-33 and T-12) 0.3kg and 0.08kg respectively, and physical foaming agent of HCFC-141B 12kg. Put them in the reactor. Fully mix at 25 °C. Take out the material, Seal and store.
Take polyether polyols (EP-3600 by Shandong Dongda Chemical Co., Ltd.) 33.67kg and dipropylene glycol 2.53kg. Place them in the reactor. Heat to 100 ~ 110 °C. Dehydrate in vacuum (-0.09MPa) for 1.5 to 2 hours. Then cool to 30 to 50 °C. Add 60.54kg 4,4 - diphenyl methane diisocyanate (pure MDI). Slowly heat to 80 ~ 85 °C. Keep the temperature and react for 1.5 to 2 hours. Add 3.26kg carbonized carbodiimide-modified MDI. Stir for 0.5 hours. Sample and test until -NCO content reaches 19.0%. Cool to 40 °C. Take out the material, Seal and store.
When used, the temperature of component A is maintained at 25 to 30 °C while component B is maintained at 30 ~ 40 °C. Rapidly mix and stir A and B microcellular material according to the weight ratio of 100:90. Centrifugal cast to mold to obtain PU microcellular elastic tire.
Contrasting example 1:
A material uses the formula in Example 1. B material uses the Asahikawa chemical sole resin B8090.
Contrast example 2:
A material uses the formula in Example 1. B material uses Huntsman sole resin B8090. 40 45
Physical properties of the products in both examples and contrasting examples are shown in the table below:
Example 1: | Example 1: | Example 2: | Contrasting| Contrasting example 1: | example 2:
Kg/m
Shore A 2 1 73 65
Tensile strength / 9.53 4.55 4.98 4.26 4.03
MPa
Tear strength / 39.56 20.65 21.85 16.25 16.56
KN /m
The table above shows that the microcellular elastomer combination prepared by the present invention is of high performance and can replace the polyester sole resin in preparation of polyurethane microcellular elastomer tires.

Claims (10)

1. An integral skin microcellular elastomer composition used for polyurethane foam (PU) tires, characterized in that the composition comprises (i) component A obtained by mixing polyether polyols, polymer polyols, cross-linking agent and / or chain extender, foam stabilizers, catalysts and foaming agents, wherein the total weight of polyether polyols and polymer polyols as 100%, the polyether polyols content is 60 ~ 90%, the polymer polyols content is 10 ~ 40%, and other components in percentage based on the total weight % of polyether polyols and polymer polyols are: cross-linking agent or / and chain extender: 10 to 25%, foam stabilizer: 0.2 to 2.5%, catalyst: 0.03 to 1.0%, and foaming agent 0.01 to 10%; and (ii) component B being alcohol-modified isocyanate, wherein the content of -NCO is between 18.0% and
20.0%, and the raw material composition by weight percentage is: Polyether polyol 20~40% Small molecule alcohols 0~10% Isocyanate 50~70% thereby, by mixing component A and B with the weight ratio of 100:70 — 100 for the preparation of PU foam tires.
2. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the polyether polyol of component A is high primary hydroxyl content and low unsaturated polyether polyol, and the average molecular weight is 5000 to 8000, and the functionality is 2 to 3, and the content of the primary hydroxyl is > 65%, and the degree of unsaturation is <
0.008meq / g.
3. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the polymer polyol of component A is styrene-acrylonitrile graft modified polyether polyol.
4. A The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the cross-linking agents of component A are glycerol, trimethylolpropane, pentaerythritol , triethanolamine, diethanolamine or the mixture thereof, and the chain extenders are 3,3 — dichloro, 4,4 - diphenyl toluene diamine, 3,5 - bis toluene diamine, 3,5 - diethyl toluene diamine, ethylene glycol, propylene glycol, 1,4 - butanediol, diethylene glycol, dipropylene glycol, 1,3 — pentanediol or the mixture thereof. 40
5. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the foam stabilizer of component A is silicone surfactant, and the catalyst is organic tin catalyst and / or tertiary amine catalyst and the foaming agent is HCFC-141B.
6. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 5, characterized in that the catalyst is selected from the group consisting of dilaurate dibutyltin, tri-ethyl-diamine, bis (dimethyl aminoethyl) ether, and the delay equilibrium catalyst or the mixture thereof.
7. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the polyether polyols of component B has average molecular weight being 6000 to 8000, and the functionality being 3, and the content of the primary hydroxyl being > 75%, and the degree of unsaturation being <0.008meq/ g.
8. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the small molecule alcohols of component B are 1,4 - butanediol, 2 - methyl 1,3 - propylene glycol, diethylene glycol, dipropylene glycol, 1,3 - pentanediol or the mixture thereof.
9. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the amount of the small molecule alcohols of component B is 5-10%.
10. The integral skin microcellular elastomer composition used for the polyurethane foam tires as claimed in claim 1, characterized in that the isocyanate of component B is 4,4 - diphenyl methane diisocyanate or carbonized carbodiimide modified isocyanate. 40 45
SG2013069141A 2011-06-03 2012-03-19 Auto-crusting microporous elastomer composition foruse in polyurethane foam-filled tire SG193457A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110148612A CN102250313B (en) 2011-06-03 2011-06-03 Self-skinning microporous elastomer composite for polyurethane foam tire
PCT/CN2012/000337 WO2013037179A1 (en) 2011-06-03 2012-03-19 Auto-crusting microporous elastomer composition for use in polyurethane foam-filled tire

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SG193457A1 true SG193457A1 (en) 2013-10-30

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KR (1) KR101446231B1 (en)
CN (1) CN102250313B (en)
BR (1) BR112013029587B1 (en)
MY (1) MY166514A (en)
SG (1) SG193457A1 (en)
WO (1) WO2013037179A1 (en)

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CN102558485B (en) * 2011-12-23 2014-05-07 山东一诺威聚氨酯股份有限公司 Environmentally-friendly polyurethane compound used for manufacturing automotive sound insulation pad and preparation method thereof
CN102585162A (en) * 2011-12-23 2012-07-18 山东东大一诺威聚氨酯有限公司 Microporous polyurethane elastomer compound with excellent dynamic performance and preparation method thereof
CN103319685A (en) * 2013-05-08 2013-09-25 杭州康诚汽车附件有限公司 Self-skinning polyurethane foam plastic and preparation method thereof
CN103304983A (en) * 2013-05-31 2013-09-18 苏州市景荣科技有限公司 Acid and alkali resistant polyurethane sole material
CN103641979B (en) * 2013-12-09 2015-12-02 山东一诺威聚氨酯股份有限公司 Mine polyurethane is from antiskinning composition and preparation method thereof
CN103740091B (en) * 2014-01-20 2015-11-04 苏州井上高分子新材料有限公司 A kind of foaming wheel polyether(poly)urethane elastic composition and preparation method thereof
CN104650309A (en) * 2014-01-27 2015-05-27 福建大方海绵科技股份有限公司 Natural plant oil based plant-carried foam cotton and preparation method thereof
CN104211892A (en) * 2014-08-05 2014-12-17 滁州宝瑞橡胶制品有限公司 Low-density integral skin used for seat
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