IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0136020
(2002-04-29)
|
발명자
/ 주소 |
- Grootaert, Werner M. A.
- Kolb, Robert E.
- Hintzer, Klaus
|
출원인 / 주소 |
- 3M Innovative Properties Company
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
13 인용 특허 :
46 |
초록
▼
A composition comprising a fluoropolymer comprising interpolymerized units derived from a nitrogen-containing cure site monomer; and a catalyst composition comprising a compound having the general formula:wherein the group HA is an acid, and each R 1 , R 2 , and R 3 is, independently, the same or
A composition comprising a fluoropolymer comprising interpolymerized units derived from a nitrogen-containing cure site monomer; and a catalyst composition comprising a compound having the general formula:wherein the group HA is an acid, and each R 1 , R 2 , and R 3 is, independently, the same or a different C 1 -C 20 alkyl group, a C 3 -C 20 cyclic or heterocyclic group, R f (CH 2 ) x —wherein R f is a C 1 -C 8 linear or branched and at least partially fluorinated alkylene, cycloalkylene, or oxyalkylene, and x is 1 to 4, or a bond to another R group such that the nitrogen is bonded to or part of an imino or heterocyclic group; wherein two or more R groups may be linked to form a cyclic, bicyclic or aromatic group, optionally comprising a heteroatom. Also provided are a method of making a fluoropolymer composition and articles prepared from the compositions.
대표청구항
▼
1. A composition comprising:(a) a fluoropolymer comprising interpolymerized units derived from a nitrogen-containing cure site monomer; and(b) a catalyst composition comprising a compound having the general formula:wherein the group HA is an acid, and each R 1 , R 2 , and R 3 is, independently, t
1. A composition comprising:(a) a fluoropolymer comprising interpolymerized units derived from a nitrogen-containing cure site monomer; and(b) a catalyst composition comprising a compound having the general formula:wherein the group HA is an acid, and each R 1 , R 2 , and R 3 is, independently, the same or a different C 1 -C 20 alkyl group, beC 3 -C 20 cyclic or heterocyclic group,R f (CH 2 ) x —wherein R f is a C 1 -C 8 linear or branched and at least partially fluorinated alkylene, cycloalkylene, or oxyalkylene, and x is 1 to 4,or a bond to another R group such that the nitrogen is bonded to or part of an imino or heterocyclic group;wherein two or more R groups may be linked to form a cyclic, bicyclic or aromatic group, optionally comprising a heteroatom, andwherein the composition is free of peroxide. 2. The composition according to claim 1 further comprising a catalyst composition comprising a compound having the formula R 1 C(OR 2 )=NH, and salts thereof, where R 1 and R 2 , independently, are a substituted or unsubstituted C 1 -C 20 alkyl, aryl, aralkyl, alkenyl, cycloalkyl, or cycloalkenyl group. 3. The composition according to claim 1 wherein the catalyst includes a compound having the general formula:wherein m and n are, independently, 2 to 20. 4. The composition according to claim 3 wherein n and m are, independently, 2 to 5. 5. The composition of claim 4 wherein the catalyst composition contains least one of 1,8-diazabicyclo[5.4.0]undec-7-ene and 1,5-diazabicyclo[4.3.0]non-5-ene. 6. The composition according to claim 1 wherein IIA is selected from the group consisting of inorganic acids, organic carboxylic acids, and organic sulfonic acids. 7. The composition according to claim 1 wherein the fluoropolymer comprises interpolymerized units derived from (i) tetrafluoroethylene, and optionally, (ii) one or more perfluorovinyl ethers of the formula: CF 2 ═CFO(R f O) a R f wherein each R f is independently a linear or branched C 1 -C 6 perfluoroalkylene group; and a is 0 or an integer from 1 to 20. 8. A composition according to claim 1 wherein said fluoropolymer further comprises interpolymerized units derived from monomers selected from the group consisting of perfluoroolefins, partially-fluorinated olefins, non-fluorinated olefins, vinylidene fluoride, and combinations thereof. 9. A composition according to claim 1 wherein said cure site monomer is a nitrile-containing monomer having the formula CF 2 ═CFO(CF 2 ) L CN;CF 2 ═CFO [CF 2 CF(CF 3 )O] q (CF 2 O) y CF(CF 3 )CN; or CF 2 ═CF[OCF 2 CF(CF 3 )] r O(CF 2 ) t CN wherein L=2-12; q=0-4; y=0-6; r=1-2; and t=1-4. 10. A composition according to claim 1 further comprising a filler selected from the group consisting of fluoropolymer filler, carbon black, and combinations thereof. 11. A composition according to claim 1 wherein said catalyst composition further comprises an onium salt. 12. A composition according to claim 1 further comprising an additional curative, and optionally a coagent. 13. The composition of claim 12 wherein the additional curative is selected from the group consisting of ammonium salts, ammonia-generating compounds, substituted triazine derivatives, unsubstituted triazine derivatives, peroxides, bis-aminophenols, bis-amidooximes, and organo-metatlic compounds. 14. The composition of claim 1 further comprising one or more other fluoropolymer(s). 15. The composition of claim 1 wherein the catalyst composition is prepared in situ. 16. The composition according to claim 1 wherein the fluoropolymer further comprises interpolymerized units derived from (i) one or more perfluorovinyl ether(s); (ii) one or more monomer(s) selected from the group consisting of perfluoroolefins, olefins, and vinylidene fluoride; (iii) one or more other nitrogen-containing cure site monomer(s); or (iv) combinations thereof. 17. A method of making a fluoropolymer composition comprising the steps of:a) for ming a mixture comprising the composition of claim 1;b) shaping the mixture;c) curing the shaped mixture; and optionallyd) heat aging the cured mixture. 18. The method according to claim 17 wherein the fluoropolymer comprises interpolymerized units derived from tetrafluoroethylene, and optionally one or more perfluorovinyl ether(s). 19. A method according to claim 17 wherein HA is selected from an inorganic acid, or an organic carboxylic or sulfonic acid. 20. A method according to claim 17 wherein the catalyst is formed in situ. 21. A method according to claim 17 wherein the catalyst composition contains a group selected from the group consisting of 1,8-diazabicyclo[5.4.0]undec-7-ene and 1,5-diazabicyclo[4.3.0]non-5-ene. 22. A method according to claim 17 further comprising a catalyst composition comprising a compound having the formula R 1 C(OR 2 )═NH, and salts thereof, where R 1 and R 2 are, independently, a substituted or unsubstituted C 1 -C 20 alkyl, aryl, aralkyl, alkenyl, cycloalkyl or cycloalkenyl group. 23. A method according to claim 17 wherein said fluoropolymer further comprises interpolymerized units derived from monomers selected from the group consisting of perfluoroolefins, olefins, vinylidene fluoride, and combinations thereof. 24. A cured article prepared according to the method of claim 17. 25. A cured article according to claim 24 wherein said article is selected from the group consisting of a seal, an O-ring, a gasket, and tubing. 26. The composition of claim 1 wherein the catalyst composition contains pyridine.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.