Powder coating compositions and powder slurry coating compositions containing monomeric difunctional compounds

   
   

The curable coating compositions of the invention comprise a particulate component having at least one binder component (a) which is a solid at 75.degree. F./24.degree. C., and an additive component (b). The curable coating compositions further comprise a crosslinking component (c) reactive with the at least one binder component (a). Additive component (b) has from 12 to 72 carbon atoms, is substantially free of any heteroatoms, is not a crystalline solid at 75.degree. F./24.degree. C. and comprises a mixture of two or more structures selected from the group consisting of aliphatic structures for additive component (b), aromatic-containing structures for additive component (b), cycloaliphatic-containing structures for additive component (b), and mixtures thereof, wherein at least one of the two or more structures is either a cycloaliphatic-containing structure or an aromatic-containing structure. The curable coating compositions are useful as powder coating compositions and powder slurry coating compositions having improved application and/or performance properties.

As composições revestindo curable da invenção compreendem um componente particulate que tem ao menos um componente da pasta (a) que é um sólido em 75.degree. F./24.degree. C., e um componente aditivo (b). As composições revestindo curable compreendem mais mais um componente crosslinking (c) reactive com o ao menos um componente da pasta (a). O componente aditivo (b) tem 12 a 72 átomos de carbono, está substancialmente livre de todos os heteroatoms, não é um sólido cristalino em 75.degree. F./24.degree. O C. e compreende uma mistura de dois ou mais estruturas selecionadas do grupo que consiste nas estruturas aliphatic para o componente aditivo (b), aromatic-contendo as estruturas para o componente aditivo (b), cycloaliphatic-contendo estruturas para o componente aditivo (b), e misturas disso, wherein ao menos uma de os dois ou mais estruturas é uma estrutura cycloaliphatic-contendo ou uma estrutura aromatic-contendo. As composições revestindo curable são úteis como as composições revestindo do pó e as composições revestindo da pasta do pó que melhoram propriedades da aplicação e/ou do desempenho.

 
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