CN102336885A - Polyurethane sponge with excellent environmental tolerance - Google Patents
Polyurethane sponge with excellent environmental tolerance Download PDFInfo
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- CN102336885A CN102336885A CN 201110183914 CN201110183914A CN102336885A CN 102336885 A CN102336885 A CN 102336885A CN 201110183914 CN201110183914 CN 201110183914 CN 201110183914 A CN201110183914 A CN 201110183914A CN 102336885 A CN102336885 A CN 102336885A
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- polyurethane sponge
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- isophorone diisocyanate
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Abstract
The invention relates to a plyurethane sponge with excellent environmental tolerance, which belongs to the technical field of plyurethane sponges and is prepared from the following materials in part by weight through reaction and foaming: 100 parts of polyether polyol, 20-80 parts of isophorone diisocyanate, 1-5 parts of water, 0.5-2 parts of silicone oil, 0.2-2 parts of catalyst, 0.3-2 parts of stabilizer, 0.5-15 parts of physical foaming agent and 0.4-2 parts of crosslinking agent. The preparation method comprises the steps that correspondingly parts by weight ofpolyether polyol and isophorone diisocyanate are added into a mixer to be stirred evenly and heated to raise the temperature to 30-40 DEG C, and corresponding parts by weight of other materials are added into the mixer, stirred fast for 3-10 seconds and then poured into a mould to obtain the corresponding plyurethane sponge after foaming and curing. Because the isophorone diisocyanate without benzene rings is adopted as the raw material, the produced plyurethane sponge has excellent environmental tolerance of oxidation resistance, illumination resistance, aging resistance and the like.
Description
Technical field
The present invention relates to the polyurethane sponge technical field, particularly relating to polyether glycol and isophorone diisocyanate is a kind of polyurethane sponge with outstanding environmental resistance of main raw material reaction foaming preparation.
Background technology
Polyurethane sponge is widely used in various industries, industries such as for example weaving, automobile, civil aviaton, and also scale is in continuous expansion.China polyurethane sponge manufacturer is numerous at present; But the overwhelming majority all is with tolylene diisocyanate (being abbreviated as of English name: TDI) or diphenylmethanediisocyanate (being abbreviated as of English name: MDI) be main raw material, again with polymerized polyalcohol reacted polyurethane sponge.Because amido links to each other with phenyl ring in the molecular structure of TDI or MDI, under extraneous environmental stimulus, produce conjugative effect easily, thus easy ageing or oxidized, and anti-illumination poor performance, be embodied in easy flavescence and physicals and obviously descend.And isophorone diisocyanate (being abbreviated as of English name: IPDI) belong to fatty compounds; Do not contain phenyl ring in the molecular structure; With it is that the polyurethane sponge of feedstock production has outstanding environmental resistance, for example outstanding resistance to deterioration, oxidation-resistance and anti-illumination property etc.Yet,, use traditional T DI or MDI foaming formulation can not obtain the polyurethane sponge of moulding because the chemically reactive of the relative tolylene diisocyanate of chemically reactive of isophorone diisocyanate or diphenylmethanediisocyanate is much lower.In order to satisfy the demand of social development to anti-oxidant, the anti-aging and anti-xanthochromia of polyurethane sponge aspect; Fill up the blank of home products (polyurethane sponge) with outstanding environmental resistance; Also in order to prolong the work-ing life of sponge; Reach the purpose of environmental protection low-carbon (LC), necessary to develop a kind of be the polyurethane sponge that main raw material reaction foaming is processed with the isophorone diisocyanate.
Summary of the invention
Technical problem to be solved by this invention is; Overcome the polyurethane sponge easy ageing of prior art, the defective of easy oxidized and anti-illumination poor performance; A kind of polyurethane sponge with outstanding environmental resistance is provided; This polyurethane sponge performance anti-oxidant, anti-aging and anti-illumination is good, can satisfy the demand of social development to anti-oxidant, the anti-aging and anti-xanthochromia of polyurethane sponge aspect, prolongs the work-ing life of sponge; Fill up the blank of home products (polyurethane sponge), reach the purpose of environmental protection low-carbon (LC) with outstanding environmental resistance.
The technical solution adopted for the present invention to solve the technical problems is: a kind of polyurethane sponge with outstanding environmental resistance is provided, and this polyurethane sponge is to be processed by the raw material reaction foaming of following weight fraction:
Polyether glycol 100
Isophorone diisocyanate 20～80
Water 1～5
Silicone oil 0.5～2
Catalyzer 0.2～2
Stablizer 0.3～2
Pneumatogen 0.5～15
Linking agent 0.4～2.
In technique scheme, the preferred weight umber of said each raw material is:
Polyether glycol 100
Isophorone diisocyanate 40～80
Water 2～5
Silicone oil 0.6～1.5
Catalyzer 0.4～1.5
Stablizer 1～2
Pneumatogen 5～15
Linking agent 0.8～2.
The optimum weight umber of said each raw material is:
Polyether glycol 100
Isophorone diisocyanate 51
Water 3
Silicone oil 1
Catalyzer 1
Stablizer 1.5
Pneumatogen 8
Linking agent 1.
The hydroxyl value of said polyether glycol is 30～60 mgKOH/g, and molecular weight is 2000～7000.
Said silicone oil comprises a kind of commercial reagents of following silicon series at least: L-580, L-608, L-626, L-627, SZ-580, DC-200, DC-5043, BF-2370, B-4900, B-8002, LK-221.
Said catalyzer comprises a kind of following compound at least: triethylamine, 1,4-diazabicylo [2.2.2] octane, pentamethyl-diethylenetriamine, two (dimethyl amido ethyl) ether; Pentamethyl-two propylene triamines, N, N-dimethylcyclohexylamine, N-methyl-N-(N, TMSDMA N dimethylamine base ethyl) thanomin; N, N-dimethylaminoethyl-N-methylamino ethanol, suitable-2, the 6-lupetazin; 2,4,6-three (dimethylamino methyl) phenol, methyl ethyl diketone zirconium.
Stablizer comprises hindered phenol anti-oxidants and hindered amine light stabilizer, can comprise following a kind of commercial reagents: Chinox TP-35, Chisorb B2636H, K383, Tinuvin B75, PUR68, RFCH800.
Said pneumatogen comprises a kind of following compounds at least: methylene dichloride, ethylene dichloride, liquid carbon dioxide, pentane, hydrochlorofluorocarbon.
Said linking agent comprises a kind of following compounds at least: terepthaloyl moietie, dipropyl (support) glycol, USP Kosher, glycol ether, triglycol, 1,4-butyleneglycol, trolamine, diethylolamine, quadrol.
Above-mentioned preparation method with polyurethane sponge of outstanding environmental resistance of the present invention is; According to production-scale requirement; Get corresponding raw material according to said each raw materials in part by weight, mix earlier, stir in the polyether glycol of above-mentioned formula ratio and the isophorone diisocyanate input mixing tank; And be heated to 30～40 degrees centigrade; Mix in water, silicone oil, catalyzer, stablizer, pneumatogen and the linking agent input mixing tank with above-mentioned formula ratio, high-speed stirring obtains the polyurethane sponge with outstanding environmental resistance of the present invention after pouring mould foaming and curing after 3～10 seconds into again.
The invention has the beneficial effects as follows: one, adopting aliphatic isophorone diisocyanate is one of main raw material; With respect to using tolylene diisocyanate or diphenylmethanediisocyanate or hexamethylene diisocyanate, has littler volatility and toxicity; In raw material transportation, sponge production process, be difficult for people or environment are caused damage.Two, prepared polyurethane sponge has outstanding chemicalstability and environmental resistance, has performances such as outstanding anti-aging, anti-illumination, anti-oxidant and anti-xanthochromia, thereby has prolonged the work-ing life of polyurethane sponge, reduces the pollution of waste to environment.Three, in the process of preparation polyurethane sponge the chemicaladditives that uses seldom, thereby reduced to the harm of environment with to people's potential murder by poisoning.Four, the present invention does not use the big organic tin catalyzer of toxicity, and resulting polyurethane sponge meets in the world to environmental protection and safe requirement and development trend.Five, prepared polyurethane sponge does not contain toxic heavy metal or toxic organics, belongs to Green Product.Six, the present invention has been owing to adopted the isophorone diisocyanate that do not contain phenyl ring for producing the main raw material of polyurethane sponge, and the polyurethane sponge of producing has excellent antioxidation, anti-illumination and environmental resistance such as anti-aging.During environmental resistance test (anti-yellow test) result was listed in the table below, comparison sample was for being the conventional polyurethanes sponge of raw material with the tolylene diisocyanate.
Rank is by 1 to 5 grade, and rank is high more, and the anti-yellow ability of representative is strong more.
Can find out that from last table the anti-yellow rank of conventional polyurethanes sponge is the 1-2 level, and the anti-yellow rank of the sample of three embodiment of the present invention is 4 grades, the anti-yellow ability of its anti-yellow ability of product of the present invention greater than the conventional polyurethanes sponge is described.
Embodiment
Embodiment 1, the described environment-friendly polyurethane sponge of present embodiment with outstanding environmental resistance, and it is to be processed by the raw material reaction foaming of following weight fraction:
Polyether glycol 3,050 100
Isophorone diisocyanate 51
Water 3
L-580 (silicone oil) 1
Triethylamine (catalyzer) 0.2
Two (dimethyl amido ethyl) ethers (catalyzer) 0.4
N, N-dimethylcyclohexylamine (catalyzer) 0.4
K383 (stablizer) 1.5
Methylene dichloride (pneumatogen) 8
Trolamine (linking agent) 1.
The above-mentioned preparation method with environment-friendly polyurethane sponge of outstanding environmental resistance of present embodiment is: according to production-scale requirement; Get corresponding raw material according to said each raw materials in part by weight; The polyether glycol of corresponding parts by weight and isophorone diisocyanate dropped in the mixing tank mix; Stir, heat temperature raising to 40 degree centigrade joins water, silicone oil, catalyzer, stablizer, pneumatogen and the linking agent of above-mentioned formula ratio in the mixing tank and mixes; High-speed stirring obtains the described a kind of environment-friendly polyurethane sponge with outstanding environmental resistance of present embodiment after pouring mould foaming and curing after 5 seconds into.Present embodiment is a most preferred embodiment of the present invention.
Embodiment 2, the described environment-friendly polyurethane sponge of present embodiment with outstanding environmental resistance, and it is to be processed by the raw material reaction foaming of following weight fraction:
Polyether glycol 5,631 100
Isophorone diisocyanate 78
Water 5
L-626 (silicone oil) 1.2
Two (dimethyl amido ethyl) ethers (catalyzer) 0.5
1,4-diazabicylo [2.2.2] octane (catalyzer) 0.8
Chisorb B2636H (stablizer) 2
Ethylene dichloride (pneumatogen) 0.5
1,4-butyleneglycol (linking agent) 2.
The above-mentioned preparation method with environment-friendly polyurethane sponge of outstanding environmental resistance of present embodiment is: according to production-scale requirement; Get corresponding raw material according to said each raw materials in part by weight; The polyether glycol of corresponding parts by weight and isophorone diisocyanate dropped in the mixing tank mix; Stir, heat temperature raising to 35 degree centigrade joins water, silicone oil, catalyzer, stablizer, pneumatogen and the linking agent of above-mentioned formula ratio in the mixing tank and mixes; High-speed stirring obtains the described a kind of environment-friendly polyurethane sponge with outstanding environmental resistance of present embodiment after pouring mould foaming and curing after 4 seconds into.
Embodiment 3, the described environment-friendly polyurethane sponge of present embodiment with outstanding environmental resistance, and it is to be processed by the raw material reaction foaming of following weight fraction:
Polyether glycol 330N 100
Isophorone diisocyanate 22
Water 1
L-608 (silicone oil) 2
Pentamethyl-diethylenetriamine (catalyzer) 0.4
Pentamethyl-two propylene triamines (catalyzer) 0.6
Methyl ethyl diketone zirconium (catalyzer) 0.1
Tinuvin B75 (stablizer) 2
Methylene dichloride (pneumatogen) 15
USP Kosher (linking agent) 0.8.
The above-mentioned preparation method with environment-friendly polyurethane sponge of outstanding environmental resistance of present embodiment is: according to production-scale requirement; Get corresponding raw material according to said each raw materials in part by weight; The polyether glycol of corresponding parts by weight and isophorone diisocyanate dropped in the mixing tank mix; Stir, heat temperature raising to 30～40 degree centigrade join water, silicone oil, catalyzer, stablizer, pneumatogen and the linking agent of above-mentioned formula ratio in the mixing tank and mix; High-speed stirring obtains the described a kind of environment-friendly polyurethane sponge with outstanding environmental resistance of present embodiment after pouring mould foaming and curing after 5 seconds into.
The above only is three preferred embodiments of the present invention, is not to be used for limiting the present invention, all its similar embodiment, for example, the environment-friendly polyurethane sponge with outstanding environmental resistance of processing by the foaming of the raw material reaction of following weight fraction:
Polyether glycol 100
Isophorone diisocyanate 20～80
Water 1～5
Silicone oil 0.5～2
Catalyzer 0.2～2
Stablizer 0.3～2
Pneumatogen 0.5～15
Linking agent 0.4～2,
All should be covered by the protection domain of patent of the present invention.
Claims (10)
1. polyurethane sponge with outstanding environmental resistance is characterized in that it is to be processed by the raw material reaction foaming of following weight fraction:
Polyether glycol 100
Isophorone diisocyanate 20～80
Water 1～5
Silicone oil 0.5～2
Catalyzer 0.2～2
Stablizer 0.3～2
Pneumatogen 0.5～15
Linking agent 0.4～2.
2. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1 is characterized in that it is to be processed by the raw material reaction foaming of following preferred weight umber:
Polyether glycol 100
Isophorone diisocyanate 40～80
Water 2～5
Silicone oil 0.6～1.5
Catalyzer 0.4～1.5
Stablizer 1～2
Pneumatogen 5～15
Linking agent 0.8～2.
3. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1 and 2 is characterized in that it is to be processed by the raw material reaction foaming of following optimum weight umber:
Polyether glycol 100
Isophorone diisocyanate 51
Water 3
Silicone oil 1
Catalyzer 1
Stablizer 1.5
Pneumatogen 8
Linking agent 1.
4. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1 is characterized in that: the hydroxyl value of said polyether glycol is 30～60 mgKOH/g, and molecular weight is 2000～7000.
5. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1 is characterized in that: said catalyzer comprises a kind of following compound at least: triethylamine, 1,4-diazabicylo [2.2.2] octane; Pentamethyl-diethylenetriamine, two (dimethyl amido ethyl) ether, pentamethyl-two propylene triamines, N; The N-dimethylcyclohexylamine, N-methyl-N-(N, TMSDMA N dimethylamine base ethyl) thanomin, N; N-dimethylaminoethyl-N-methylamino ethanol, suitable-2,6-lupetazin, 2; 4,6-three (dimethylamino methyl) phenol, methyl ethyl diketone zirconium.
6. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1 is characterized in that: said silicone oil comprises a kind of commercial reagents of following silicon series at least: L-580, L-608; L-626, L-627, SZ-580; DC-200, DC-5043, BF-2370; B-4900, B-8002, LK-221.
7. a kind of polyurethane sponge according to claim 1 with outstanding environmental resistance; It is characterized in that: stablizer comprises hindered phenol anti-oxidants and hindered amine light stabilizer, can comprise following a kind of commercial reagents: Chinox TP-35, Chisorb B2636H; K383; Tinuvin B75, PUR68, RFCH800.
8. a kind of polyurethane sponge with outstanding environmental resistance according to claim 1, it is characterized in that: said pneumatogen comprises a kind of following compounds at least: methylene dichloride, ethylene dichloride, liquid carbon dioxide, pentane, hydrochlorofluorocarbon.
9. a kind of polyurethane sponge according to claim 1 with outstanding environmental resistance, it is characterized in that: said linking agent comprises a kind of following compounds at least: terepthaloyl moietie, dipropyl (support) glycol; USP Kosher, glycol ether, triglycol; 1,4-butyleneglycol, trolamine; Diethylolamine, quadrol.
10. each described a kind of preparation method of claim 1 to 9 with polyurethane sponge of outstanding environmental resistance; It is characterized in that: mix earlier in the polyether glycol of above-mentioned formula ratio and the isophorone diisocyanate input mixing tank; Stir; And be heated to 30～40 degrees centigrade; Mix in water, silicone oil, catalyzer, stablizer, pneumatogen and the linking agent input mixing tank with above-mentioned formula ratio, high-speed stirring obtains polyurethane sponge after pouring mould foaming and curing after 3～10 seconds into again.
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| CN2011101839142A CN102336885B (en) | 2011-07-02 | 2011-07-02 | Polyurethane sponge with excellent environmental tolerance |
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|---|---|---|---|
| CN2011101839142A CN102336885B (en) | 2011-07-02 | 2011-07-02 | Polyurethane sponge with excellent environmental tolerance |
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| CN102336885B CN102336885B (en) | 2012-11-07 |
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| CN103554411A (en) * | 2013-10-19 | 2014-02-05 | 泉州源利鞋材有限公司 | Automatic shaping shoe pad and preparation method thereof |
| CN103641987A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Green environmental protection sponge and production method |
| CN103641985A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Durability flame retardant sponge and production method |
| CN103641988A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Static resistance sponge and production method thereof |
| CN103641986A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | High-resistance polyurethane sponge and preparation method |
| CN103641992A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Water-absorption flame-retardant sponge and production method |
| CN103923292A (en) * | 2014-04-23 | 2014-07-16 | 胡志刚 | Preparation method of intermediate for polyurethane sponge |
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| CN105504208A (en) * | 2015-12-30 | 2016-04-20 | 芜湖馨源海绵有限公司 | High-flame-retardance sponge used for automobile inner guard plates and preparation process thereof |
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| CN109293877A (en) * | 2018-10-29 | 2019-02-01 | 长沙浩然医疗科技有限公司 | A kind of polyurethane sponge and preparation method thereof |
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| CN110875030A (en) * | 2018-08-31 | 2020-03-10 | 比亚迪股份有限公司 | Sound absorber, preparation method and application thereof |
| CN113754847A (en) * | 2021-09-17 | 2021-12-07 | 湖州高裕家居科技有限公司 | Environment-friendly polyurethane sponge capable of maintaining hardness |
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| CN103554411B (en) * | 2013-10-19 | 2016-01-06 | 泉州源利鞋材有限公司 | A kind of preparation method of automatic moulding shoe-pad |
| CN103554411A (en) * | 2013-10-19 | 2014-02-05 | 泉州源利鞋材有限公司 | Automatic shaping shoe pad and preparation method thereof |
| CN103641992B (en) * | 2013-11-13 | 2016-08-17 | 安徽金马海绵有限公司 | A kind of water suction flame-retardant sponge and preparation method thereof |
| CN103641988A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Static resistance sponge and production method thereof |
| CN103641986A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | High-resistance polyurethane sponge and preparation method |
| CN103641992A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Water-absorption flame-retardant sponge and production method |
| CN103641987A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Green environmental protection sponge and production method |
| CN103641985B (en) * | 2013-11-13 | 2016-05-11 | 安徽金马海绵有限公司 | A kind of durable flame-retardant sponge and preparation method thereof |
| CN103641985A (en) * | 2013-11-13 | 2014-03-19 | 安徽金马海绵有限公司 | Durability flame retardant sponge and production method |
| CN103641988B (en) * | 2013-11-13 | 2016-02-24 | 安徽金马海绵有限公司 | A kind of Anti-static sponge and preparation method thereof |
| CN103923292B (en) * | 2014-04-23 | 2016-04-27 | 胡志刚 | A kind of preparation method of polyurethane sponge intermediate |
| CN103923292A (en) * | 2014-04-23 | 2014-07-16 | 胡志刚 | Preparation method of intermediate for polyurethane sponge |
| CN103980694A (en) * | 2014-05-30 | 2014-08-13 | 泉州恒昂工贸有限公司 | Silica-gel-containing sponge mattress |
| CN105885392A (en) * | 2014-11-13 | 2016-08-24 | 柯永展 | Bra pad prepared from PU (polyurethane) flexible adhesive |
| CN105463874A (en) * | 2015-12-23 | 2016-04-06 | 芜湖馨源海绵有限公司 | Composite imitation leather for automobile armrest box and preparation technology of composite imitation leather |
| CN105482072A (en) * | 2015-12-30 | 2016-04-13 | 芜湖馨源海绵有限公司 | Sponge for automobile glove box |
| CN105504208A (en) * | 2015-12-30 | 2016-04-20 | 芜湖馨源海绵有限公司 | High-flame-retardance sponge used for automobile inner guard plates and preparation process thereof |
| CN106398184A (en) * | 2016-08-31 | 2017-02-15 | 湖北孺子牛鞋业集团有限公司 | Polyester polyurethane sponge with health-care function |
| CN106397731A (en) * | 2016-09-22 | 2017-02-15 | 上海馨源新材料科技有限公司 | Automobile sponge with high-efficiency sound insulation and sound absorption and preparation process thereof |
| CN110875030A (en) * | 2018-08-31 | 2020-03-10 | 比亚迪股份有限公司 | Sound absorber, preparation method and application thereof |
| CN109293877A (en) * | 2018-10-29 | 2019-02-01 | 长沙浩然医疗科技有限公司 | A kind of polyurethane sponge and preparation method thereof |
| CN109820371A (en) * | 2019-03-11 | 2019-05-31 | 浙江呼噜皇床垫有限公司 | A kind of mattress of comfortable ventilating |
| CN113754847A (en) * | 2021-09-17 | 2021-12-07 | 湖州高裕家居科技有限公司 | Environment-friendly polyurethane sponge capable of maintaining hardness |
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