Flowable Polyesters With Carbodiimide Stabilizers
    61.
    发明申请
    Flowable Polyesters With Carbodiimide Stabilizers 失效
    具有碳二亚胺稳定剂的可流动聚酯

    公开(公告)号:US20080139715A1

    公开(公告)日:2008-06-12

    申请号:US11815238

    申请日:2006-02-01

    IPC分类号: C08K5/29

    摘要: Thermoplastic molding compositions comprising A) from 10 to 98.9% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, part 2), or B2) at least one highly branched or hyperbranched polyester of the AxBy type where x is at least 1.1 and y is at least 2.1 or mixtures thereof C) from 0.1 to 10% by weight of at least one carbodiimide, D) from 0 to 60% by weight of further additives, the sum of the percentages by weight of components A) to D) adding up to 100%.

    摘要翻译: 热塑性成型组合物,其包含A)10至98.9重量%的至少一种热塑性聚酯,B)0.01至50重量%的B1)至少一种高度支化或超支化聚碳酸酯,其OH数为1至600mg KOH / g聚碳酸酯(根据DIN 53240,第2部分)或B2)至少一种高分子量或超支化聚酯,其中x在 至少1.1和y为至少2.1或其混合物C)0.1至10重量%的至少一种碳二亚胺,D)0至60重量%的其它添加剂,组分A)的重量百分数之和) 至D)加起来高达100%。

    Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine content
    64.
    发明授权
    Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number and a reduced chlorine content 失效
    制备二氯甲烷二异氰酸酯和聚苯基多亚甲基多异氰酸酯的混合物,其具有降低的碘色数和降低的氯含量

    公开(公告)号:US06229043B1

    公开(公告)日:2001-05-08

    申请号:US08675428

    申请日:1996-06-26

    IPC分类号: C07C24914

    摘要: Mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates (raw MDI) having a reduced iodine color number and a reduced chlorine content are prepared by reacting the corresponding mixtures of diphenylmethanediamines and polyphenylpolymethylenepolyamines with phosgene in the presence of at least one inert organic solvent at elevated temperature, and then, after phosgenation is complete, incorporating into the reaction mixture, in the presence or absence of the phosgene, a mixture of water and at least one monohydric or polyhydric polyoxyalkylene alcohol, preferably having a functionality of from 2 to 3, and advantageously having a hydroxyl number of from 20 to 1800, in an effective amount which advantageously comprises from more than 0.01 to 0.3% by weight of water (i) and from 0.5 to 5% by weight of a polyoxyalkylene alcohol (ii), in each case based on the weight of raw MDI, then removing the excess phosgene or the phosgene residues still present and the inert organic solvent, if desired adding to the reaction product up to 5% by weight, based on the weight of raw MDI, of at least one antioxidant based on phenol and/or aryl phosphite and thermally treating the reaction mixture.

    摘要翻译: 通过在高温下,在至少一种惰性有机溶剂的存在下,使二苯基甲烷二胺和多苯基多亚甲基多胺与云气的相应混合物反应,制备具有降低的碘色数和降低的氯含量的二苯基甲烷二异氰酸酯和聚苯基多亚甲基多异氰酸酯(原MDI)的混合物, 然后,在光气化完成后,在光气存在或不存在下将反应混合物加入到水和至少一种一元或多元聚氧化烯醇的混合物中,优选具有2至3的官能度,并且有利地具有 羟基数为20至1800,其有效量包含大于0.01至0.3重量%的水(i)和0.5至5重量%的聚氧化烯醇(ii),在每种情况下基于 原料MDI的重量,然后除去过剩的光气或仍然存在的光气残余物 t有机溶剂,如果需要,加入反应产物至多5重量%,基于原料MDI的重量,至少一种基于酚和/或亚磷酸芳基酯的抗氧化剂,并热处理反应混合物。

    Preparation of polyurethane foams
    65.
    发明授权
    Preparation of polyurethane foams 失效
    制备聚氨酯泡沫

    公开(公告)号:US06191179B1

    公开(公告)日:2001-02-20

    申请号:US09271233

    申请日:1999-03-17

    IPC分类号: C08G1820

    摘要: A process for the preparation of foamed plastics materials based on polyisocyanate polyaddition products by the reaction of isocyanates with isocyanate-reactive compounds in the presence of catalysts and, optionally, auxiliaries and/or additives, wherein i) isocyanates having isocyanurate and/or biuret structures are used, the isocyanate-reactive compounds used are ii) at least one diol and/or polyol having a molecular weight of from 400 to 8000 and containing at least 50% of primary hydroxyl groups based on all of the hydroxyl groups present in the compound, iii) at least one compound having at least one primary amine group, and diols and/or triols having molecular weights of less than 400 are optionally used as chain-extending and/or crosslinking agents, the reaction being carried out in the presence of iv) at least one tertiary amine acting as catalyst and/or v) at least one metal salt acting as catalyst and vi) water.

    摘要翻译: 在催化剂和任选的助剂和/或添加剂的存在下通过异氰酸酯与异氰酸酯反应性化合物的反应制备基于多异氰酸酯加聚产物的泡沫塑料材料的方法,其中具有异氰脲酸酯和/或缩二脲结构的异氰酸酯是 使用的异氰酸酯反应性化合物是ii)分子量为400-8000的至少一种二醇和/或多元醇,并且含有至少50%的基于化合物中存在的所有羟基的伯羟基,iii )至少一种具有至少一个伯胺基的化合物和分子量小于400的二醇和/或三醇任选用作延伸链和/或交联剂,该反应在 作为催化剂的至少一种叔胺和/或v)至少一种作为催化剂的金属盐,和vi)水。

    Production of sheet-like polyurethane moldings
    66.
    发明授权
    Production of sheet-like polyurethane moldings 失效
    生产片状聚氨酯模塑制品

    公开(公告)号:US5885394A

    公开(公告)日:1999-03-23

    申请号:US800911

    申请日:1997-02-13

    IPC分类号: B29C44/56 C08J9/40 B29C41/00

    摘要: In a process for producing sheet-like polyurethane moldings by impregnation of porous sheets with a polyurethane system and subsequent reaction of the polyurethane system in a mold, the porous sheet is first fully impregnated with a polyurethane component, then fully impregnated with the other polyurethane component and the molding is then produced in a heated mold by reaction of the polyurethane components.

    摘要翻译: 在通过用聚氨酯体系浸渍多孔片材并随后聚氨酯体系在模具中进行反应来生产片状聚氨酯模塑制品的方法中,首先用聚氨酯组分完全浸渍多孔片材,然后用其它聚氨酯组分完全浸渍 然后通过聚氨酯组分的反应在加热的模具中生产模制品。

    Preparation of chlorofluorocarbon-free flexible polyurethane foams using
diphenylmethane diisocyanate-based polyisocyanate mixtures containing
urethane groups, and modified polyisocyanate mixtures
    67.
    发明授权
    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures 失效
    使用含有氨基甲酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯混合物和改性多异氰酸酯混合物制备不含氯氟烃的柔性聚氨酯泡沫体

    公开(公告)号:US5597885A

    公开(公告)日:1997-01-28

    申请号:US430926

    申请日:1995-06-07

    IPC分类号: C08G18/12 C08G18/48 C08G18/10

    摘要: The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates (crude diphenylmethane diisocyanate) with a polyether-polyol mixture, having a hydroxyl number of from 120 to 25, of at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene-polyoxyethylene glycol having a content of ethylene oxide units of from 90 to 10% by weight or by reacting 4,4'-diphenylmethane diisocyanate (diphenylmethyl diisocyanate) or an diphenylmethane diisocyanate isomer mixture with said polyether-polyol mixture to give an NCO-containing quasi-prepolymer and diluting this quasi-prepolymer with crude diphenylmethane diisocyanate, withB) relatively high-molecular-weight polyhydroxyl compounds.

    摘要翻译: 本发明涉及一种制备无CFC的柔性聚氨酯泡沫或模制泡沫的方法,其通过使A)含有键合的氨基甲酸酯基团的液体多异氰酸酯混合物并且具有20至30重量%的NCO基团的含量,这些混合物本身 通过使二苯基甲烷二异氰酸酯和聚苯基 - 多亚甲基多异氰酸酯(粗二苯基甲烷二异氰酸酯)与羟基数为120至25的聚醚 - 多元醇混合物的混合物与至少一种聚氧丙烯二醇和至少一种三官能聚氧丙烯 - 聚氧乙烯 乙二醇的含量为90〜10重量%的环氧乙烷单元,或通过使4,4'-二苯基甲烷二异氰酸酯(二苯基甲基二异氰酸酯)或二苯基甲烷二异氰酸酯异构体混合物与所述聚醚 - 多元醇混合物反应,得到含NCO的准 - 预聚物,并用粗二苯基甲烷二异氰酸酯稀释该准预聚物,B)相对较高 小重量多羟基化合物。

    Preparation of chlorofluorocarbon-free flexible polyurethane foams using
diphenylmethane diisocyanate-based polyisocyanate mixtures containing
urethane groups, and modified polyisocyanate mixtures of this type
    68.
    发明授权
    Preparation of chlorofluorocarbon-free flexible polyurethane foams using diphenylmethane diisocyanate-based polyisocyanate mixtures containing urethane groups, and modified polyisocyanate mixtures of this type 失效
    使用含有氨基甲酸酯基团的二苯基甲烷二异氰酸酯基聚异氰酸酯混合物和该类型的改性多异氰酸酯混合物制备不含氟氯化碳的柔性聚氨酯泡沫体

    公开(公告)号:US5596063A

    公开(公告)日:1997-01-21

    申请号:US430924

    申请日:1995-06-08

    IPC分类号: C08G18/12 C08G18/48 C08G18/10

    摘要: The invention relates to a process for the preparation of CFC-free, flexible polyurethane foams or molded foams by reactingA) liquid polyisocyanate mixtures containing bonded urethane groups and having a content of NCO groups of from 20 to 30% by weight, these mixtures themselves being prepared by reacting a mixture of diphenylmethane diisocyanates and polyphenyl-polymethylene polyisocyanates (crude diphenylmethane diisocyanate) with a polyether-polyol mixture, having a hydroxyl number of from 120 to 25, of at least one polyoxypropylene glycol and at least one trifunctional polyoxypropylene-polyoxyethylene glycol having a content of ethylene oxide units of from 90 to 10% by weight or by reacting 4,4'-diphenylmethane diisocyanate (diphenylmethyl diisocyanate) or an diphenylmethane diisocyanate isomer mixture with said polyether-polyol mixture to give an NCO-containing quasi-prepolymer and diluting this quasi-prepolymer with crude diphenylmethane diisocyanate, withB) relatively high-molecular-weight polyhydroxyl compounds.

    摘要翻译: 本发明涉及一种制备无CFC的柔性聚氨酯泡沫或模制泡沫的方法,其通过使A)含有键合的氨基甲酸酯基团的液体多异氰酸酯混合物并且具有20至30重量%的NCO基团的含量,这些混合物本身 通过使二苯基甲烷二异氰酸酯和聚苯基 - 多亚甲基多异氰酸酯(粗二苯基甲烷二异氰酸酯)与羟基数为120至25的聚醚 - 多元醇混合物的混合物与至少一种聚氧丙烯二醇和至少一种三官能聚氧丙烯 - 聚氧乙烯 乙二醇的含量为90〜10重量%的环氧乙烷单元,或通过使4,4'-二苯基甲烷二异氰酸酯(二苯基甲基二异氰酸酯)或二苯基甲烷二异氰酸酯异构体混合物与所述聚醚 - 多元醇混合物反应,得到含NCO的准 - 预聚物,并用粗二苯基甲烷二异氰酸酯稀释该准预聚物,B)相对较高 小重量多羟基化合物。