发明名称 |
Siliconized polyester thermosetting coating compositions |
摘要 |
Pigmented thermosetting organic solvent solution coating compositions are disclosed which cure to provide improved weather resistance. These coating compositions contain three resin components, as follows: 1- an essentially nonfunctional organic solvent-soluble silicone resin reaction product of a highly branched, low molecular weight hydroxy function polyester with an hydroxy or alkoxy-functional organic polysiloxane, the polysiloxane constituting from 8% to 20% of the three resin components, and the polyester and the polysiloxane being combined in approximately stoichiometric proportions; 2- a reactive organic solvent-soluble essentially linear high molecular weight hydroxy functional polyester constituting the balance of the three resin components; and 3- from 3% to 15% of the three resin components of a heterocyclic aminoplast resin for curing the reactive polyester. Components 1 and 2 are compatible in the solution and at least partially incompatible in a film as the solvent evaporates, so that component 1 can concentrate at the surface to enhance the weather resistance.
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申请公布号 |
US4370441(A) |
申请公布日期 |
1983.01.25 |
申请号 |
US19810268633 |
申请日期 |
1981.05.29 |
申请人 |
DESOTO, INC. |
发明人 |
GASKE, JOSEPH E.;PLAISANCE, THOMAS H.;SEKMAKAS, KAZYS |
分类号 |
C08G63/181;C09D167/00;C09D183/04;C09D183/10;(IPC1-7):C08L67/02;C08L67/00;C08L83/06;C08L61/26 |
主分类号 |
C08G63/181 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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