IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0892898
(1986-08-01)
|
우선권정보 |
GB-0005320 (1984-02-29) |
발명자
/ 주소 |
- Hughes Anthony H. (Rossendale GBX) Topham Arthur (Middleton GBX)
|
출원인 / 주소 |
- The Baxenden Chemical Co. (Lancashire GB2 03)
|
인용정보 |
피인용 횟수 :
18 인용 특허 :
5 |
초록
▼
A blocked polyisocyanate of the formula R-Ym where R is an m valent aliphatic, cycloaliphatic, heterocyclic or aromatic residue; each Y, which may be the same or different, is [Figure] where R1 is, or, when n is more than 1, each R1, which may be the same or different, is an alkyl, alkenyl, aralkyl,
A blocked polyisocyanate of the formula R-Ym where R is an m valent aliphatic, cycloaliphatic, heterocyclic or aromatic residue; each Y, which may be the same or different, is [Figure] where R1 is, or, when n is more than 1, each R1, which may be the same or different, is an alkyl, alkenyl, aralkyl, N-substituted carbamyl, phenyl, NO2, halogen or [Figure] group where R2 is a C1-C4 alkyl group; n is 0, 1, 2 or 3; and m is an integer greater than 1 is useful in paint compositions.
대표청구항
▼
In a storage-stable coating composition comprising an active hydrogen-containing compound and a blocked polyisocyanate of the formula: R-Ym wherein R is an m valent aliphatic, cycloaliphatic, heterocyclic or aromatic residue, m is an integer greater than 1 and Y is a blocking group, the improvement
In a storage-stable coating composition comprising an active hydrogen-containing compound and a blocked polyisocyanate of the formula: R-Ym wherein R is an m valent aliphatic, cycloaliphatic, heterocyclic or aromatic residue, m is an integer greater than 1 and Y is a blocking group, the improvement whereby said composition is curable by heat unblocking at 100°C. to 120°C., and each Y, which may be the same or different, is [Figure] wherein R1 is, or, where n is more than 1, each R1, which may be the same or different, is a C1-C4 alkyl, C1-C4 alkenyl, phenyl C1-C4 alkyl, phenyl, NO2,2 is a C1-C4 alkyl group; and n is 0, 1, 2 or 3, provided that, when R is an aromatic residue the groups Y are not directly attached to an aromatic nucleus.
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