Patent US4840675A successfully refreshed from Google Patents.
US4840675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold release composition
Assignee: Daikin Industries Ltd
•
Filing: 1988-09-26
•
Granted: 1989-06-20
•
Expires: 2008-09-26
Abstract
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 <IMAGE> (I) and/or (2) a fluorine-containing urethane compound represented by the formula <IMAGE> (II) and/or (3) a fluorine-containing urethane compound represented by the formula <IMAGE> (III) 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.
Inventors
- 👤 Shosin Fukui
- 👤 Masayoshi Shinjo
- 👤 Hirokazu Aoyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:20
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; C; C10; C10M; C10M101/00; C10M101/02; C10M101/025; C10M105/00; C10M105/56; C10M105/58; C10M105/64; C10M105/66; C10M107/00; C10M107/38; C10M107/50; C10M109/00; C10M111/00; C10M2205/00; C10M2205/14; C10M2205/143; C10M2205/16; C10M2205/163; C10M2205/17; C10M2205/173; C10M2205/18; C10M2205/183; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/023; C10M2213/04; C10M2213/043; C10M2213/06; C10M2213/0606; C10M2213/062; C10M2213/0623; C10M2215/00; C10M2215/10; C10M2229/00; C10M2229/02; C10M2229/025; C10M2229/04; C10M2229/0405; C10M2229/041; C10M2229/0415; C10M2229/042; C10M2229/0425; C10M2229/043; C10M2229/0435; C10M2229/044; C10M2229/0445; C10M2229/045; C10M2229/0455; C10M2229/046; C10M2229/0465; C10M2229/047; C10M2229/0475; C10M2229/048; C10M2229/0485; C10M2229/05; C10M2229/0505; C10M2229/051; C10M2229/0515; C10M2229/052; C10M2229/0525; C10M2229/053; C10M2229/0535; C10M2229/054; C10M2229/0545; C10N; C10N2040/00; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/015; C10N2050/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
400 words
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 f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH 2 CH(A)C m H 2m --or --SO 2 N(R)C t H 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 n H 2n+ 1OH wherein n is an integer of 1 to 7, C n H 2n+ 1O(CH 2 ) n' OH wherein n is an integer of 1 to 4 and n' is an integer of 2 to 4, ##STR59## C n H n + 1 NH 2 wherein n is an integer of 1 to 3, ##STR60## and C n H 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 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 2 ) k OH wherein k is an integer of 2 to 6, HO(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, H 2 N(CH 2 )kNH 2 wherein k in an integer of 2 to 6, ##STR62## wherein R 1 and R 2 are the same or different and are each a hydroxyl group or amino group and ##STR63## wherein R 1 and R 2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR64## wherein R 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.
Claim 2
Dependent Claim
400 words
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 f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH 2 CH(A)C m H 2m --or --SO 2 N(R)C t H 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 n H 2n+ 1OH wherein n is an integer of 1 to 7, C n H 2n+ 1O(CH 2 ) n' OH wherein n is an integer of 1 to 4 and n' is an integer of 2 to 4, ##STR59## C n H n + 1 NH 2 wherein n is an integer of 1 to 3, ##STR60## and C n H 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 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 2 ) k OH wherein k is an integer of 2 to 6, HO(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, H 2 N(CH 2 )kNH 2 wherein k in an integer of 2 to 6, ##STR62## wherein R 1 and R 2 are the same or different and are each a hydroxyl group or amino group and ##STR63## wherein R 1 and R 2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR64## wherein R 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.
Claim 3
Dependent Claim
55 words
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.
Claim 4
Dependent Claim
378 words
A mold release composition comprising: (A) at least one of (1) a fluorine-containing urethane compound represented by the formula ##STR65## wherein R f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH 2 CH(A)C m H 2m --or --SO 2 N(R)C t H 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) 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 n H 2n+ 1OH wherein n is an integer of 1 to7, C n H 2n+ 1O(CH 2 ) n' OH wherein n in an integer of 1 to 4 and n∝ is an integer of 2 to 4, ##STR68## C n H n + 1 NH 2 wherien n is an integer of 1 to 3, ##STR69## and C n H 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 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 2 ) k OH wherein k is an integer of 2 to 6, HO(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, H 2 N(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, ##STR71## wherein R 1 and R 2 are the same or different and are each a hydroxyl group or amino group and ##STR72## wherein R 1 and R 2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR73## wherein R 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.
Claim 5
Dependent Claim
378 words
A mold release composition comprising: (A) at least one of (1) a fluorine-containing urethane compound represented by the formula ##STR65## wherein R f represents a perfluoroalkyl group having 4 to 20 carbon atoms, X represents a methylene group, --CH 2 CH(A)C m H 2m --or --SO 2 N(R)C t H 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) 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 n H 2n+ 1OH wherein n is an integer of 1 to7, C n H 2n+ 1O(CH 2 ) n' OH wherein n in an integer of 1 to 4 and n∝ is an integer of 2 to 4, ##STR68## C n H n + 1 NH 2 wherien n is an integer of 1 to 3, ##STR69## and C n H 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 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 2 ) k OH wherein k is an integer of 2 to 6, HO(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, H 2 N(CH 2 ) k NH 2 wherein k is an integer of 2 to 6, ##STR71## wherein R 1 and R 2 are the same or different and are each a hydroxyl group or amino group and ##STR72## wherein R 1 and R 2 are as defined above, and (3) a fluorine-containing urethane compound represented by the formula ##STR73## wherein R 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.
Claim 6
Dependent Claim
31 words
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).
Claim 7
Dependent Claim
31 words
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).
Claim 8
Dependent Claim
22 words
The mold release composition of claim 3 comprising 0.1 to 10 parts by weight of (B) per part by weight of (A).
Claim 9
Dependent Claim
22 words
The mold release composition of claim 3 comprising 0.3 to 5 parts by weight of (B) per part by weight of (A).
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |