摘要:
The present invention relates to aqueous basecoat materials which comprise high-functionality, highly branched or hyperbranched polycarbonates based on dialkyl or diaryl carbonates or on phosgene, diphosgene or triphosgene and on aliphatic, aliphatic/aromatic or aromatic diols or polyols.
摘要:
Use of high functionality hyperbranched polycarbonates obtainable bya) preparing one or more different condensation products (K) either bya1) reacting at least one organic carbonate (A) of the general formula RO[(CO)O]nR with at least one aliphatic, aliphatic/aromatic or aromatic alcohol (B) having at least 3 OH groups by elimination of alcohols ROH, where each R is independently a straight chain or branched aliphatic, aromatic-aliphatic or aromatic hydrocarbyl radical having 1 to 20 carbon atoms and the R radicals may also be bonded to each other to form a ring comprising the grouping —O[(CO)O]n—, where n is an integer from 1 to 5,ora2) reacting phosgene, diphosgene or triphosgene with the aliphatic, aliphatic/aromatic or aromatic alcohol (B) to liberate hydrogen chloride,the quantitative ratio of the alcohols (B) to the carbonates (A) or to the phosgenes in the reaction mixture being so chosen that the condensation products (K) comprise on average either one carbonate or carbamoyl chloride group and more than one OH group or one OH group and more than one carbonate or carbamoyl chloride group,andb) intermolecularly reacting the condensation products (K) from step a),as a dispersant for a pigment.
摘要翻译:通过a)制备一种或多种不同的缩合产物(K)的高官能度超支化聚碳酸酯的使用,通过a1)使通式RO [(CO)O] n R的至少一种有机碳酸酯(A)与至少一种脂族 ,通过消除醇ROH具有至少3个OH基团的脂族/芳族或芳族醇(B),其中每个R独立地是具有1至20个碳原子的直链或支链脂族,芳族 - 脂族或芳族烃基,R 自由基也可以彼此键合以形成包含分组-O [(CO)O] n - 的环,其中n是1至5的整数,或a2)使光气,双光气或三光气与脂族,脂族 /芳族或芳香族醇(B)以释放氯化氢,反应混合物中醇(B)与碳酸酯(A)或光气体的定量比被选择为使得缩合产物(K)平均包含 一个碳酸盐或卡巴莫 多于一个OH基团或一个OH基团和多于一个碳酸酯或氨基甲酰氯基团,和b)使来自步骤a)的缩合产物(K)与颜料分散反应。
摘要:
Process for preparation of high-molecular-weight polyamides, which comprises reacting a polyamide A) at a temperature of from 150 to 350° C. with a compound B) which at this reaction temperature liberates isocyanic acid, where the concentration of the amino end groups in the polyamide A) used is greater than or equal to the concentration of the carboxy end groups.
摘要:
Thermoplastic molding compositions, comprising A) from 10 to 98% by weight of at least one thermoplastic polymer, 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 AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 40% by weight of a halogen-free flame retardant, selected from the group of the phosphorus-containing or nitrogen-containing compounds, or of the P—N condensates, or a mixture of these, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.
摘要翻译:热塑性模塑组合物,其包含A)10至98重量%的至少一种热塑性聚合物,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值为1至600 mg KOH / g聚碳酸酯(根据DIN 53240第2部分)或B2)至少一种高度支化或超支化的A x B B y Y y型聚酯,其中x为 至少1.1和y为至少2.1,或这些的混合物,C)1至40重量%的无卤阻燃剂,选自含磷或含氮化合物,或 PN缩合物,或它们的混合物,D)0至60重量%的其它添加剂,其中组分A)至D)的重量百分比的总和为100%。
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 with 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 AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 0.1 to 40% by weight of a thermoplastic polyester elastomer, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 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)至少一种高度支化或超支化的A x B B y y y型聚酯,其中x在 至少1.1和y为至少2.1,或这些的混合物,C)0.1至40重量%的热塑性聚酯弹性体,D)0至60重量%的其它添加剂,其中通过 组分A)至D)的重量为100%。
摘要:
The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, obtained by reaction of a) (meth)acrylic compounds exhibiting at least one isocyanate-reactive group [compounds a)] with b) compounds exhibiting at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives exhibiting at least one isocyanate-reactive group [compounds c)]. The invention also relates to copolymers that contain copolymerizable photoinitiators of the invention and to the use of said copolymers in UV-crosslinkable compositions, particularly hot-melt adhesives.
摘要:
Processes comprising: (a) providing a carboxylic acid having at least two carboxy groups, and an amino alcohol having at least one amino group and at least two hydroxy groups; and (b) reacting the carboxylic acid and the amino alcohol in a molar ratio selected from ratio values of; (i) 1.1:1 to 1.95:1, to form a highly branched or hyperbranched polyesteramide; and (ii) 2:1 to 10:1, to form a prepolymer, and reacting the prepolymer with a monomer having at least one functional group to form a highly branched or hyperbranched polyesteramide; polyesteramides thus formed; and objects made from such polyesteramides.
摘要:
The invention relates to radically copolymerizable acetophenone or benzophenone derivatives, which may be obtained by reacting a) acrylic or methacrylic compounds, which contain at least one isocyanate-reactive group [compounds a)], with b) compounds, which contain at least two isocyanate groups [compounds b)] and c) acetophenone or benzophenone derivatives, which contain at least one isocyanate-reactive group [compounds c)]. Said invention also relates to copolymers, which contain said copolymerizable photoinitiators, as well as to the use of said copolymers in UV-crosslinkable substances, in particular hot-melt pressure-sensitive adhesives.
摘要:
Thermoplastic molding compositions comprising a mixture of a component (A), a component (B), a component (C) and a component (D), methods for their preparation and use, and mold-release agents for thermoplastic molding compositions: wherein the component (A) comprises a methyl methacrylate polymer; wherein the component (B) comprises a copolymer prepared by polymerizing from 75 to 88% by weight of a vinylaromatic monomer and from 12 to 25% by weight of a vinyl cyamide; wherein the component (C) comprises a graft copolymer prepared by copolymerizing: from 60 to 90% by weight, based on component (C), of a core, from 5 to 20% by weight, based on component (C), of a first graft shell, and from 5 to 20% by weight, based on component (C), of a second graft shell; and wherein the component (D) comprises at least one highly branched or hyperbranched polymer selected from the group consisting of (D1) highly branched or hyperbranched polycarbonates, (D2) highly branched or hyperbranched polyesters of Ax+By type, where x is at least 1.1 and y is at least 2.1, and mixtures thereof.
摘要翻译:包含组分(A),组分(B),组分(C)和组分(D)的混合物的热塑性模塑组合物,其制备和使用方法以及用于热塑性模塑组合物的脱模剂:其中 组分(A)包括甲基丙烯酸甲酯聚合物; 其中组分(B)包括通过使75至88重量%的乙烯基芳族单体和12至25重量%的乙烯基芳族聚酰胺聚合而制备的共聚物; 其中组分(C)包括通过以下组分制备的接枝共聚物:基于组分(C),基于组分(C)的60至90重量%的核心,基于组分(C)5至20重量% 第一接枝壳,和基于组分(C)5至20重量%的第二接枝壳; 并且其中组分(D)包含至少一种选自(D1)高度支化或超支化聚碳酸酯的高度支化或超支化聚合物,(D2)高支化或超支化的A x + 其中x至少为1.1,y为至少2.1,以及它们的混合物。
摘要:
Thermoplastic molding compositions, comprising A) from 10 to 98% 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 with 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 AxBy type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 40% by weight of an impact-modifying polymer, D) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to D) is 100%.
摘要翻译:热塑性成型组合物,其包含A)10至98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600 mg KOH / g聚碳酸酯(根据DIN 53240第2部分)或B2)至少一种高度支化或超支化的A x B B y Y y型聚酯,其中x为 至少1.1和y为至少2.1,或这些的混合物,C)1至40重量%的冲击改性聚合物,D)0至60重量%的其它添加剂,其中 组分A)至D)的重量百分比为100%。