Claims
- 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 R.sub.f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH.sub.2 CH(A)C.sub.m H.sub.2m --or --SO.sub.2 N(R)C.sub.t H.sub.2t --, 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## C.sub.n H.sub.2n+ 1OH wherein n is an integer of 1 to 7, C.sub.n H.sub.2n+ 1O(CH.sub.2).sub.n' OH wherein n is an integer of 1 to 4 and n' is an integer of 2 to 4, ##STR59## C.sub.n H.sub.n +.sub.1 NH.sub.2 wherein n is an integer of 1 to 3, ##STR60## and C.sub.n H.sub.2n+ 1 COOH wherein n is an integer of 1 to 3, (2) a fluorine-containing urethane compound represented by the formula ##STR61## wherein R.sub.f, 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(CH.sub.2).sub.k OH wherein k is an integer of 2 to 6, HO(CH.sub.2).sub.k NH.sub.2 wherein k is an integer of 2 to 6, H.sub.2 N(CH.sub.2)kNH.sub.2 wherein k in an integer of 2 to 6, ##STR62## wherein R.sup.1 and R.sup.2 are the same or different and are each a hydroxyl group or amino group and ##STR63## wherein R.sup.1 and R.sup.2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR64## wherein R.sub.f, 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.
- 2. The process for imparting a releasing property to a mold of claim 1 further comprising:
- introducing into the mold to which the releasing composition has been applied, one of the following molding materials; synthetic resin, natural resin, and rubber;
- molding the molding material into a molded product, and
- releasing the molded product from the mold.
- 3. A mold release composition comprising:
- (A) at least one of
- (1) a fluorine-containing urethane compound represented by the formula ##STR65## wherein R.sub.f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH.sub.2 CH(A)C.sub.m H.sub.2m --or --SO.sub.2 N(R)C.sub.t H.sub.2t --, 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).sub.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## C.sub.n H.sub.2n+ 1OH wherein n is an integer of 1 to7, C.sub.n H.sub.2n+ 1O(CH.sub.2).sub.n' OH wherein n in an integer of 1 to 4 and n.varies. is an integer of 2 to 4, ##STR68## C.sub.n H.sub.n +.sub.1 NH.sub.2 wherien n is an integer of 1 to 3, ##STR69## and C.sub.n H.sub.2n+ 1 COOH wherein n in an integer of 1 to 3, (2) a fluorine-containing urethane compound represented by the formula ##STR70## wherein R.sub.f, 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(CH.sub.2).sub.k OH wherein k is an integer of 2 to 6, HO(CH.sub.2).sub.k NH.sub.2 wherein k is an integer of 2 to 6, H.sub.2 N(CH.sub.2).sub.k NH.sub.2 wherein k is an integer of 2 to 6, ##STR71## wherein R.sup.1 and R.sup.2 are the same or different and are each a hydroxyl group or amino group and ##STR72## wherein R.sup.1 and R.sup.2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR73## wherein R.sub.f, 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.
- 4. The process of claim 1 for imparting a releasing property to a mold wherein the composition comprises 0.1 to 10 parts by weight of (B) per part by weight of (A).
- 5. The process of claim 1 for imparting a releasing property to a mold wherein the composition comprises 0.3 to 5 parts by weight of (B) per part by weight of (A).
- 6. The mold release composition of claim 3 comprising 0.1 to 10 parts by weight of (B) per part by weight of (A).
- 7. The mold release composition of claim 3 comprising 0.3 to 5 parts by weight of (B) per part by weight of (A).
Parent Case Info
This application is a continuation of application Ser. No. 936,940 filed Dec. 1, 1986 which in turn is a continuation of application Ser. No. 785,646 filed Oct. 9, 1985 which is a divisional of application Ser. No. 627,577 filed July 3, 1984. Each of the prior applications is now abandoned.
US Referenced Citations (3)
Number |
Name |
Date |
Kind |
3398182 |
Guenthner et al. |
Aug 1968 |
|
3484281 |
Guenthner et al. |
Dec 1961 |
|
4184880 |
Huber et al. |
Jan 1980 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
627577 |
Jul 1984 |
|
Continuations (2)
|
Number |
Date |
Country |
Parent |
936940 |
Dec 1986 |
|
Parent |
785646 |
Oct 1985 |
|