Claims
- 1. Epsilon-caprolactam blocked polyisocyanates in particulate form, said polyisocyanates being selected from the group of isophorone diisocyanate and the reaction product of isophorone diisocyanate and a polyol, said reaction product containing at least two isocyanate groups.
- 2. Blocked polyisocyanate of claim 1 wherein said polyol is selected from the group of ethylene glycol, propylene glycols, butanediols, hexanediols, heptanediol, octadecene-9,10-diol-(1,12), octadecanediol-(1,18), 2,4-dimethyl-2-propylheptanediol-(1,3), butene-diol-(1,4), diethylglycol, triethylglycol, trans-1,4-cyclohexanedimethanol, 1,4-cyclohexanediols, glycerine, hexanetriol-(1,2,6) and 1,1,1-trimethylol propane.
- 3. Urethane forming particulate coating composition comprising the blocked polyisocyanates of claim 1.
Priority Claims (1)
Number |
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2105777 |
Feb 1971 |
DEX |
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Parent Case Info
This is a continuation of application Ser. No. 785,153, now abandoned, filed Apr. 6, 1977, which is a continuation of application Ser. No. 630,573, filed Nov. 10, 1975, now abandoned, which, in turn, is a continuation of application Ser. No. 441,785, filed Feb. 12, 1974, now abandoned, which, in turn, is a continuation-in-part of application Ser. No. 223,700, filed Feb. 4, 1972, now U.S. Pat. No. 3,822,240, issued July 2, 1974.
US Referenced Citations (8)
Continuations (3)
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785153 |
Apr 1977 |
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630573 |
Nov 1975 |
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441785 |
Feb 1974 |
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Continuation in Parts (1)
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223700 |
Feb 1972 |
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