Mold release composition
First Claim
1. A process for imparting releasing property against one of synthetic resin, natural resin, rubber and formed product thereof to a mold which comprises applying to the mold a composition comprising:
- (A) at least one of(1) a fluorine-containing urethane compound represented by the formula ##STR55## wherein Rf represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH2 CH(A)Cm H2m --or --SO2 N(R)Ct H2t --, A represents a hydrogen atom or hydroxyl group m is an integer of 0 to 4; and
R represents a methyl or ethyl group, t is an integer of 1 to 4, Y represents a divalent group selected from the group consisting of;
##STR56## and Z represents a monohydric organic group which is a residue obtained by removing one hydrogen atom from a compound of the group consisting of;
##STR57## ##STR58## Cn H2n+ 1OH wherein n is an integer of 1 to 7, Cn H2n+ 1O(CH2)n'"'"' OH wherein n is an integer of 1 to 4 and n'"'"' is an integer of 2 to 4, ##STR59## Cn Hn +1 NH2 wherein n is an integer of 1 to 3, ##STR60## and Cn H2n+ 1 COOH wherein n is an integer of 1 to 3, (2) a fluorine-containing urethane compound represented by the formula ##STR61## wherein Rf, X and Y are as defined above and W represents a divalent organic group which is a residue obtained by removing two hydrogen atoms from a compound selected from the group consisting of;
HO(CH2)k OH wherein k is an integer of 2 to 6, HO(CH2)k NH2 wherein k is an integer of 2 to 6, H2 N(CH2)kNH2 wherein k in an integer of 2 to 6, ##STR62## wherein R1 and R2 are the same or different and are each a hydroxyl group or amino group and ##STR63## wherein R1 and R2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR64## wherein Rf, X and Y are as defined above, and (B) at least one of members selected from the class consisting of silicone oil, a methyl silicone varnish, wax, and a highly fluorinated organic alkyl compound or amine compound.
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Abstract
A process for imparting releasing property to a mold which comprises applying to the mold a composition comprising:
(A) (1) a fluorine-containing urethane compound represented by the formula ##STR1## and/or (2) a fluorine-containing urethane compound represented by the formula ##STR2## and/or (3) a fluorine-containing urethane compound represented by the formula ##STR3## and (B) at least one of members selected from the class consisting of silicone oil, silicone varnish, wax and a highly fluorinated organic compound and the mold release composition used for the process.
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Citations
7 Claims
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1. A process for imparting releasing property against one of synthetic resin, natural resin, rubber and formed product thereof to a mold which comprises applying to the mold a composition comprising:
(A) at least one of (1) a fluorine-containing urethane compound represented by the formula ##STR55## wherein Rf represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH2 CH(A)Cm H2m --or --SO2 N(R)Ct H2t --, A represents a hydrogen atom or hydroxyl group m is an integer of 0 to 4; and
R represents a methyl or ethyl group, t is an integer of 1 to 4, Y represents a divalent group selected from the group consisting of;
##STR56## and Z represents a monohydric organic group which is a residue obtained by removing one hydrogen atom from a compound of the group consisting of;
##STR57## ##STR58## Cn H2n+ 1OH wherein n is an integer of 1 to 7, Cn H2n+ 1O(CH2)n'"'"' OH wherein n is an integer of 1 to 4 and n'"'"' is an integer of 2 to 4, ##STR59## Cn Hn +1 NH2 wherein n is an integer of 1 to 3, ##STR60## and Cn H2n+ 1 COOH wherein n is an integer of 1 to 3, (2) a fluorine-containing urethane compound represented by the formula ##STR61## wherein Rf, X and Y are as defined above and W represents a divalent organic group which is a residue obtained by removing two hydrogen atoms from a compound selected from the group consisting of;
HO(CH2)k OH wherein k is an integer of 2 to 6, HO(CH2)k NH2 wherein k is an integer of 2 to 6, H2 N(CH2)kNH2 wherein k in an integer of 2 to 6, ##STR62## wherein R1 and R2 are the same or different and are each a hydroxyl group or amino group and ##STR63## wherein R1 and R2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR64## wherein Rf, X and Y are as defined above, and (B) at least one of members selected from the class consisting of silicone oil, a methyl silicone varnish, wax, and a highly fluorinated organic alkyl compound or amine compound.- View Dependent Claims (2, 4, 5)
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3. A mold release composition comprising:
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(A) at least one of (1) a fluorine-containing urethane compound represented by the formula ##STR65## wherein Rf represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH2 CH(A)Cm H2m --or --SO2 N(R)Ct H2t --, A represents a hydrogen atom or hydroxyl group, m is an integer of 0 to 4; and
R represents a methyl or ethyl group, t is an integer of 1 to 4, Y represents a divalent group selected from the group consisting of;
##STR66## and --(CH)6 --;
and Z represents a monohydric organic group which is a residue obtained by removing one hydrogen atom from a compound of the group consisting of;
##STR67## Cn H2n+ 1OH wherein n is an integer of 1 to7, Cn H2n+ 1O(CH2)n'"'"' OH wherein n in an integer of 1 to 4 and n∝
is an integer of 2 to 4, ##STR68## Cn Hn +1 NH2 wherien n is an integer of 1 to 3, ##STR69## and Cn H2n+ 1 COOH wherein n in an integer of 1 to 3, (2) a fluorine-containing urethane compound represented by the formula ##STR70## wherein Rf, X and Y are as defined above and W represents a divalent organic group which is a residue obtained by removing two hydrogen atoms from a compound selected from the group consisting of HO(CH2)k OH wherein k is an integer of 2 to 6, HO(CH2)k NH2 wherein k is an integer of 2 to 6, H2 N(CH2)k NH2 wherein k is an integer of 2 to 6, ##STR71## wherein R1 and R2 are the same or different and are each a hydroxyl group or amino group and ##STR72## wherein R1 and R2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR73## wherein Rf, X and Y are as defined above, and (B) at least one of members selected from the class consisting of silicon oil, methyl silicon varnish, wax, and a highly fluorinated organic alkyl compound or amine compound. - View Dependent Claims (6, 7)
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Specification