摘要:
In the cyclic preparation of a length of curds by draining a mixture of whey and curds in an upright column, formed by a permeable casing (2), the preparation cycle consists of at least three parts: a thickening phase and an extrusion phase from the column and a lateral discharge phase of the length of curds. The mixture is supplied to one end of the casing (2) and a length of the thickened mass of curds is removed periodically at the other end of the casing (2). The whey/curds column inside the casing (2) is moved forwards at slow speed in the longitudinal direction of the casing (2) during the thickening phase of the preparation cycle, the thickening phase and the extrusion phase taking place at the same time. The discharge phase of the cycle takes place when the column is stationary, within a time span which is less than 20% of the thickening phase and extrusion phase.
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.
摘要:
The invention relates to a process for the preparation of a graft polymer at least partly by bulk- or solution-polymerizing one or more monomers in the presence of a solution of a substantially saturated rubber. To prevent an increase of the viscosity of the reaction mixture during polymerization, the invention is characterized in that additionally to said substantially saturated rubber an ethylene-vinylacetate copolymer is present during the polymerization.
摘要:
The invention relates to a process for the preparation of a polymer, followed by continuous inspection of the polymer quality and subsequent storage of the polymer. This invention is characterized in that a sample flow (5) is continuously drawn off from a flow of solid polymer particles (3), this sample flow is analysed, the flow of polymer particles (7) is, after drawing off the sampleflow (5), led into a residence time bunker (8) in which the residence time equals the time required for analysis, or does not differ more than 10 %therefrom, and the flow of polymer particles (11, 13) leaving the residence time bunker (8) is transported further dependent on the analytical result.