摘要:
The invention relates to a new diisocyanate, having the formula to the application of this diisocyanate in the preparation of various intermediate products and to the application of this diisocyanate or intermediate products thereof in the preparation of polyurethanes.
摘要:
Method of reinforcing water-hardenable inorganic materials with polyalkene fibres or fibre networks, the polyalkene being stabilized by a metal phosphonate or metal phosphite with the formula in which:
R, is an alkyl group with 1-6 carbon atoms, R 2 is a hydrogen atom or an alkyl group with 1-6 carbon atoms, n take a value 1-4, y is the ratio of the valencies of the metal atom and the organic phosphonate or phosphite group, x is the residue -O - , OR 3 , or R 4 , where R 3 is an alkyl, cycloalkyl, or aryl group with 1-30 carbon atoms and R 4 is an alkyl, cycloalkyl, or aryl group with 1-30 carbon atoms, and M is a metal.
摘要:
A group of aliphatic diisocyanates characterized by the formula I in which R represents an alkyl group with 1 or more C atoms, a substituted or unsubstituted phenyl group, or a group according to formula II in which R,' and R," represent alkyl groups with 1-10 C atoms, and in which R 2 , R 3 and R 4 are the same or different and are chosen from the group consisting of ―alkyl group with 1 or more C atoms ― alkoxy group with 1 or more C atoms - H.
摘要翻译:一组脂族二异氰酸酯,其特征在于式I 其中R表示具有一个或多个C原子的烷基,取代或未取代的苯基或根据式II的基团R1sec -O-R1min,其中 R1分钟和R1秒表示具有1-10个C原子的烷基,其中R2,R3和R4相同或不同,并且选自具有1个或更多个C原子的烷基 - 烷氧基与1个 或更多的C原子 - H.
A 10-90 parts by weight polycarbonate, B 90-10 parts by weight of a mixture of
25-100 parts by weight of a graft copolymer obtained by polymerizing a monomer mixture consisting of styrene, acrylonitrile, methylmethacrylate or a mixture of two or more of these compounds in the presence of a rubber, and 0-75 parts by weight of a copolymer of styrene, acrylonitrile, methylmethacrylate, or a mixture of two or more of these compounds
C 0.04-5.0 parts by weight stabilizer, per 100 parts by weight A and B jointly.
The stabilizer is a mixture of
C 1 0.01-1.0 parts by weight of one or more organic phosphites and/or phosphonites and C 2 0.01 -2.0 parts by weight of at least one compound chosen from the group of C 2 - 1 phenolic antioxidants, and C 2 - 2 thio compounds,
as well as an effective quantity of a fatty acid, fatty acid ester, fatty acid amide, fatty acid salt or a mixture of two or more of these compounds.
摘要:
The invention relates to a oligomer of an aliphatic diisocyanate. The invention is characterized in that, as diisocyanate, a compound according to following for- mola is used, where R, represents an alkyl group with one or more C atoms, a substituted or unsubstituted phenyl group or a group according to formula Il of the formula sheet, where R 1 ' and R," represent alkoxy groups with one or more C atoms, and where R 2 , R 3 and R 4 are the same or different and are chosen from the group consisting of:
- alkyl group with one or more C atoms - alkoxy group with one or more C atoms ― H.
摘要翻译:本发明涉及脂族二异氰酸酯的低聚物。 本发明的特征在于,作为二异氰酸酯,使用根据下式的化合物,其中R 1表示具有一个或多个C原子的烷基,取代或未取代的苯基或根据式II的式 其中R1分钟和R1秒表示具有一个或多个C原子的烷氧基,并且其中R2,R3和R4相同或不同,并且选自:具有一个或多个C原子的烷基 - 烷氧基 与一个或多个C原子组合 - H.