摘要:
Described is a curable powder coating composition that provides a durable decorative wrinkle finish after curing, as well as a method of coating a substrate and a substrate so coated. The powder coating composition includes a specific triazine-type amino resin crosslinking agent, a hydroxyl functional resin and an amine blocked non-halogenated sulfonic acid catalyst.
摘要:
This invention relates to a crosslinking composition comprising and organic acid and a compound having the structure of Formula I: A'-N RA-RD where A' is a moiety derived from the group consisting of triazines, linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof, or a moiety comprising the structure (II):w here RA is RD, hydrogen, an alkyl of 1 to 20 carbon atoms, or taken together with A' forms a cyclic compound; RD is -CHRcORB, wherein RB is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and Rc is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; A is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof; B is a residue of a poly(alkylaldehyde) with n aldehyde groups; n is an integer of 2 to about 8; Ra is Rd, hydrogen, an alkyl of 1 to about 20 carbon atoms, or taken together with A forms a cyclic compound; where Rd is CHRcORb or (III) where Rb is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and Rc is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; and where the alkyl or aryl groups in each radical may optionally have heteroatoms in their structure and to a process for producing the crosslinking.
摘要:
This invention relates to a crosslinking composition comprising a compound having the structure of Formula I: A'-NR A -R D where A' is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof, or a moiety comprising the structure: where R A is R D , hydrogen, an alkyl of 1 to 20 carbon atoms, or taken together with A' forms a cyclic compound; R D is -CHR C OR B , wherein R B is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and R C is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; A is a moiety derived from the group consisting of linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof; B is a residue of a poly(alkylaldehyde) with n aldehyde groups; n is an integer of 2 to about 8; R a is R d , hydrogen, an alkyl of 1 to about 20 carbon atoms, or taken together with A forms a cyclic compound; where R d is CHR c OR b or where R b is hydrogen, alkyl, aryl, aralkyl or an alkaryl having from 1 to about 24 carbon atoms and R c is an alkyl, halogenated alkyl, aryl, aralkyl, halogenated aralkyl, alkoxyalkyl or an alkaryl having from 1 to about 24 carbon atoms; and where the alkyl or aryl groups in each radical may optionally have heteroatoms in their structure. This invention also relates to a process for producing the crosslinking composition by reacting an amino compound containing amino groups; a mono(alkylaldehyde) and/or a poly(alkylaldehyde), and an alcohol; where said amino compound is selected from the group consisting of: linear or cyclic ureas, cyanuric acid, substituted cyanuric acids, linear or cyclic amides, glycolurils, hydantoins, linear or cyclic carbamates and mixtures thereof.
摘要翻译:本发明涉及包含具有式I结构的化合物的交联组合物:<?in-line-formula description =“In-line formula”end =“lead”?> A'-NRA 其中A'是衍生自线性或环状脲的部分,其中A'是衍生自由直链或环状脲组成的组的部分, 氰尿酸,取代的三聚氰酸,线性或环状酰胺,甘脲,乙内酰脲,线性或环状氨基甲酸酯及其混合物,或包含以下结构的部分:其中R A是R D D >,氢,1〜20个碳原子的烷基,或与A'一起形成环状化合物; 其中R B是氢,烷基,芳基,芳烷基或者其中R 1,R 2,R 2, 具有1至约24个碳原子的烷芳基和R 1是具有1至约24个碳原子的烷基,卤代烷基,芳基,芳烷基,卤代芳烷基,烷氧基烷基或烷芳基; A是衍生自线性或环状脲,氰尿酸,取代的氰尿酸,线性或环状酰胺,甘脲,乙内酰脲,直链或环状氨基甲酸酯及其混合物的部分; B是具有n个醛基的聚(烷基醛)的残基; n为2〜8的整数; R a是R d,氢,1至约20个碳原子的烷基或与A一起形成环状化合物; 其中R d是CHR c C或C b,或其中R b是氢,烷基,芳基,芳烷基或 具有1至约24个碳原子的烷芳基,R c是具有1至约24个碳原子的烷基,卤代烷基,芳基,芳烷基,卤代芳烷基,烷氧基烷基或烷芳基; 并且其中每个基团中的烷基或芳基可以在其结构中任选地具有杂原子。 本发明还涉及通过使含有氨基的氨基化合物反应制备交联组合物的方法; 单(烷基醛)和/或聚(烷基醛)和醇; 其中所述氨基化合物选自:直链或环状脲,氰尿酸,取代的三聚氰酸,线性或环状酰胺,甘脲,乙内酰脲,线性或环状氨基甲酸酯及其混合物。
摘要:
Described is a curable powder coating composition that provides a durable decorative wrinkle finish after curing, as well as a method of coating a substrate and a substrate so coated. The powder coating composition includes a specific triazine-type amino resin crosslinking agent, a hydroxyl functional resin and an amine blocked non-halogenated sulfonic acid catalyst.