摘要:
Disclosed are radiation curable coating compositions, cured coatings formed therefrom, related methods for coating a substrate, and related coated substrates.
摘要:
Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.
摘要翻译:公开了低固化粉末涂料组合物。 组合物包含聚环氧化物和具有以下结构的材料,其中R 1是具有6至25个碳原子的有机基团; R2为碳原子数1〜20的有机基团。 R 3和R 4独立地为具有1至8个碳原子的烷基或苯基; Z是氧或氮,当Z是氧时,R5不存在,当Z是氮时,R5是氢或n是1至4.该材料可以任选地与酸性含氢化合物反应。 组合物可固化而不使用交联剂或促进剂。 还公开了使用这些组合物涂覆底物的方法,以及由此涂覆的底物,以及用于相同目的的其它催化剂。
摘要:
Low-cure powder coating compositions are disclosed, comprising at least one epoxy-containing resin and/or at least one siloxane-containing resin, and at least one material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; each R2 is independently a multivalent hydrocarbon group having 1 to 20 carbon atoms; Y is each R3 and R4 are independently alkyl or aryl groups having 1 to 8 carbon atoms; each Z is independently oxygen or nitrogen; R5 is absent when Z is oxygen and R5 is hydrogen, an alkyl or aryl group having 1 to 20 carbon atoms, or (Y)a—R2— when Z is nitrogen; a and b are integers; a is at least 1; b is 1 to 3; and (b) at least one epoxy-containing resin and/or at least one siloxane-containing resin. The material can optionally be reacted with an acidic hydrogen-containing compound. Some compositions are curable without using crosslinking agents or accelerators. Methods for coating a substrate using these compositions, the coated substrates, and additional catalysts useful for the same purpose are also disclosed.
摘要:
Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.
摘要翻译:公开了低固化粉末涂料组合物。 组合物包含聚环氧化物和具有其中R 1为具有6至25个碳原子的有机基团的结构的材料; R 2是具有1至20个碳原子的有机基团; R 3和R 4独立地是具有1至8个碳原子的烷基或苯基; Z是氧或氮,当Z是氧时,R 5不存在,当Z是氮时,R 5是氢或n是1至4.材料可以 任选地与酸性含氢化合物反应。 组合物可固化而不使用交联剂或促进剂。 还公开了使用这些组合物涂覆底物的方法,以及由此涂覆的底物,以及用于相同目的的其它催化剂。
摘要:
A crosslinking agent that is an ungelled reaction product of (a) an aminoplast resin and (b) a compound having active hydrogen groups reactive with the aminoplast resin such that the crosslinking agent is essentially free of functional groups reactive with an aminoplast resin and has a glass transition temperature of at least 10° C. is disclosed. Compound (b) is, more specifically, a monofunctional sulfonamide having only one active hydrogen. Methods for preparing crosslinking agents are also disclosed. Further provided is a curable powder coating composition including a polymer having a glass transition temperature of at least 30° C. containing reactive functional groups and the present crosslinking agent; a multilayer composite coating compositions and substrates coated therewith are also disclosed. Methods for modifying aminoplasts are also disclosed.
摘要:
A crosslinking agent is provided, prepared by reacting (A) an aminoplast resin; (B) a reactive urethane group-containing adduct and (C) at least one other compound having active hydrogen groups reactive with aminoplast resin (A). Compound (C) is selected from: (i) compounds having the structure (I): wherein X is aromatic; R1, R2, and R3 each independently represents H, (cyclo)alkyl having from 1 to 12 carbon atoms, aryl, alkaryl, aralkyl, or an active hydrogen-containing group, (ii) compounds having the structure (II) or (III): where R′ and R″ each independently represents an aromatic group or an alkyl group having 1 to 12 carbon atoms; and (iii) compounds different from (i) and (ii), having a melting point of at least 80° C. Further provided are methods for preparing the crosslinking agent curable compositions containing the crosslinking agent, and coated substrates.
摘要翻译:提供了一种通过(A)氨基塑料树脂反应制备的交联剂; (B)含反应性氨基甲酸酯基团的加合物和(C)至少一种具有与氨基塑料树脂(A)反应的活性氢基团的其它化合物。 化合物(C)选自:(i)具有结构(I)的化合物:其中X是芳族的; R 1,R 2和R 3各自独立地表示H 1,具有1至12个碳原子的(环)烷基,芳基,烷芳基,芳烷基或含活性氢基团,(ii)化合物 具有结构(II)或(III):其中R'和R“各自独立地表示芳族基团或具有1至12个碳原子的烷基; 和(iii)不同于(i)和(ii)的化合物,其熔点至少为80℃。进一步提供了制备含有交联剂的交联剂可固化组合物和涂覆的基材的方法。
摘要:
Low-cure powder coating compositions are disclosed. The compositions comprise a polyepoxide and a material having the structure wherein R1 is an organic radical having 6 to 25 carbon atoms; R2 is an organic radical having 1 to 20 carbon atoms; R3 and R4 are independently alkyl or phenyl groups having 1 to 8 carbon atoms; Z is oxygen or nitrogen, and when Z is oxygen R5 is absent and when Z is nitrogen R5 is hydrogen or is and n is 1 to 4. The material can optionally be reacted with an acidic hydrogen-containing compound. The compositions are curable without the use of crosslinking agents or accelerators. Methods for coating a substrate using these compositions, and substrates coated thereby, are also disclosed, as are additional catalysts useful for the same purpose.
摘要翻译:公开了低固化粉末涂料组合物。 组合物包含聚环氧化物和具有结构的材料,其中R1是具有6至25个碳原子的有机基团; R2为碳原子数1〜20的有机基团。 R 3和R 4独立地为具有1至8个碳原子的烷基或苯基; Z是氧或氮,当Z是氧时,R5不存在,当Z是氮时,R5是氢或是n和1-4。该材料可以任选地与酸性含氢化合物反应。 组合物可固化而不使用交联剂或促进剂。 还公开了使用这些组合物涂覆底物的方法,以及由此涂覆的底物,以及用于相同目的的其它催化剂。
摘要:
Provided is a crosslinking agent which is the ungelled reaction product of a polyester polyol and an aminotriazine compound having one or less non-alkylated NH bond per triazine ring. The polyester polyol is the reaction product of a cycloaliphatic polyol and a cyclic polycarboxylic acid or anhydride. The crosslinking agent is essentially free of hydroxyl functionality and has a glass transition temperature of at least 10° C. Further provided is a powder coating composition including a solid particulate film-forming mixture of a polymer containing reactive functional groups and having a Tg of at least 30° C., and the crosslinking agent. Additionally provided is a multi-layer composite coating composition having a basecoat layer deposited from a basecoat film-forming composition and a topcoat over the basecoat deposited from the previously described powder coating composition. Coated substrates are also provided.
摘要:
A non-aqueous dispersion comprising the dispersion polymerization reaction product of an ethylenically unsaturated monomer and a nonlinear, random acrylic polymer stabilizer wherein the polymerization reaction product comprises epoxy functionality is disclosed. Related coatings, methods, and substrates are also disclosed.
摘要:
(Meth)acrylate/aspartate amine curatives comprising the reaction product of a polyamine, a dialkyl maleate and/or dialkyl fumarate, and a (meth)acrylate are disclosed, as are methods for making the same. A polyurea comprising the reaction product of the acrylate/aspartate amine curative and isocyanate is also disclosed, as are coatings comprising such a polyurea and substrates coated with the same.