US4861836A
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Novel, iodine-containing compound, preparation thereof and block copolymer comprising the same
Assignee: Daikin Industries Ltd
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Filing: 1987-12-22
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Granted: 1989-08-29
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Expires: 2007-12-22
Abstract
Abstract An iodine-containing compound consisting of at least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- wherein a, b, c, d, e and f are each 0 or a positive integer and satisfy the following equations: 2≦a+b+c+d+e+f≦200 and 1≦a+c+d+f and an iodine atom at at least one end of a molecule, which can provide a block copolymer which is useful as a grease.
Inventors
- 👤 Masayoshi Tatemoto
- 👤 Yuji Yutani
- 👤 Koji Fujiwara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:36
CPC Classifications
C; C08; C08F; C08F293/00; C08G; C08G65/00; C08G65/002; C08G65/005; C08G65/02; C08G65/04; C08G65/22; C08G65/223; C08G65/32; C08G65/321; C08G65/323; C08G65/3233; C08G65/324; C08L; C08L53/00; C08L71/00; C08L71/02; C10; C10M; C10M107/00; C10M107/38; C10M107/50; C10M111/00; C10M111/04; C10M119/00; C10M119/22; C10M119/30; C10M147/00; C10M147/04; C10M155/00; C10M155/02; C10M169/00; C10M169/02; G; G11; G11B; G11B5/00; G11B5/62; G11B5/72; G11B5/725; G11B5/7253; C10M2203/00; C10M2203/003; C10M2207/00; C10M2207/04; C10M2207/044; C10M2207/046; C10M2207/08; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/023; C10M2213/04; C10M2213/043; C10M2213/06; C10M2213/0606; C10M2213/062; C10M2213/0623; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; 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; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/175; C10N2040/18; C10N2040/185; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
306 words
A block copolymer having a number average molecular weight of from 1×10 3 to 1×10 6 comprising at least two types of blocks in a molecule wherein at least one block is a homopolymeric or random copolymeric block comprising at least one block selected from the group consisting of: (a) a block consisting of least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- a, b, c, d, e and f are each 0 or a positive integer and satisfy the following equations: 2≦a+b+c+d+e+f≦200 and 1≦a+c+d+f, (b) a block consisting of the repeating units of the formula: ##STR18## wherein p, q and r are each 0 or a positive integer and satisfy the following equations: ≦ p+q+r≦200 and 1≦p+q, (c) a block consisting of the repeating units of the formula: ##STR19## wherein R f1 and R f2 are the same or different and C 1 -C 3 perfluoroalkyl, k and m are each a positive integer and satisfy the equations: ≦ k+m≦50 and 0.2≦m/(k+m), and n is an integer of 0 to 10, and (d) a block consisting of repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and at least one block is a homopolymeric or random copolymeric block consisting of repeating units of the formula: --(CF.sub.2 CXY)-- wherein X is hydrogen or fluorine, Y is hydrogen, chlorine, fluorine, difluoromethyl or C 1 -C 8 perfluoroalkyl or perfluoroalkoxyl provided that when the former block consists of the repeating unit (d) alone, the combination of X=fluorine and Y=chlorine is excluded, wherein the content of the latter block is 1 to 95 % by weight based on the total weight of the block copolymer.
Claim 2
Dependent Claim
306 words
A block copolymer having a number average molecular weight of from 1×10 3 to 1×10 6 comprising at least two types of blocks in a molecule wherein at least one block is a homopolymeric or random copolymeric block comprising at least one block selected from the group consisting of: (a) a block consisting of least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- a, b, c, d, e and f are each 0 or a positive integer and satisfy the following equations: 2≦a+b+c+d+e+f≦200 and 1≦a+c+d+f, (b) a block consisting of the repeating units of the formula: ##STR18## wherein p, q and r are each 0 or a positive integer and satisfy the following equations: ≦ p+q+r≦200 and 1≦p+q, (c) a block consisting of the repeating units of the formula: ##STR19## wherein R f1 and R f2 are the same or different and C 1 -C 3 perfluoroalkyl, k and m are each a positive integer and satisfy the equations: ≦ k+m≦50 and 0.2≦m/(k+m), and n is an integer of 0 to 10, and (d) a block consisting of repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and at least one block is a homopolymeric or random copolymeric block consisting of repeating units of the formula: --(CF.sub.2 CXY)-- wherein X is hydrogen or fluorine, Y is hydrogen, chlorine, fluorine, difluoromethyl or C 1 -C 8 perfluoroalkyl or perfluoroalkoxyl provided that when the former block consists of the repeating unit (d) alone, the combination of X=fluorine and Y=chlorine is excluded, wherein the content of the latter block is 1 to 95 % by weight based on the total weight of the block copolymer.
Claim 3
Dependent Claim
516 words
A process for preparing a block copolymer having a number average molecular weight of from 1×10 3 to 1×10 6 comprising at least two types of blocks in a molecule wherein at least one block is a homopolymeric or random copolymeric block comprising at least one block selected from the group consisting of: (a) a block consisting of at least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- a, b, c, d, e and f are each 0 or a positive integer and satisfy the following equations: 2 ≦a+b+c+d+e+f≦200 and 1 ≦a+c+d+f, (b) a block consisting of the repeating units of the formula: ##STR20## wherein p, q and r are each 0 or a positive integer and satisfy the following equations: 2≦p+q+r≦200 and ≦ p+q, (c) a block consisting of the repeating units of the formula: ##STR21## wherein R f1 and Rf 2 are the same or different and C 1 -C 3 perfluoroalkyl, k and m are each a positive integer and satisfy the equations: ≦ k+m≦50 and 0.2≦m/(k+m), and n is an integer of 0 to 10, and (d) a block consisting of repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and at least one block is a homopolymeric or random copolymeric block consisting of repeating units of the formula: --(CF.sub.2 CXY)-- wherein X is hydrogen or fluorine, Y is hydrogen, chlorine, fluorine, difluoromethyl or C 1 -C 8 perfluoroalkyl or perfluoroalkoxy, provided that when the former block consists of the repeating unit (d) alone, the combination of X=fluorine and Y=chlorine is excluded, wherein the content of the latter block is 1 to 95 % by weight based on the total weight of the block copolymer which process comprises polymerizing at least one fluorine-containing olefin of the formula: CF.sub.2 ═CXY where X and Y are as defined above, in the presence of a radical-generating source and at least one compound selected from the group consisting of: (a) an iodine-containing compound consisting of at least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- wherein a, b, c, d, e, and f are each 0 or a positive integer and satisfy the following equations: a+b+c+d+e+f≦200 and a+c+d+f and an iodine atom at least at one end of a molecule, (b) an iodine-containing compound consisting of at least two repeating units of the formula ##STR22## wherein p, q and r are each 0 os a positive inteqer and satisfy the following equations: p+q+r <200 and p+q and an iodine atom at least at one end of a molecule, (c) an iodine-containing compound consisting of the repeating units of the formula: ##STR23## wherein R f1 and Rf 2 are the same or =perfluoroalkyl, k and m are each a positive integer and satisfy the equations: 2≦k+m≦50 and
Claim 4
Dependent Claim
516 words
A process for preparing a block copolymer having a number average molecular weight of from 1×10 3 to 1×10 6 comprising at least two types of blocks in a molecule wherein at least one block is a homopolymeric or random copolymeric block comprising at least one block selected from the group consisting of: (a) a block consisting of at least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- a, b, c, d, e and f are each 0 or a positive integer and satisfy the following equations: 2 ≦a+b+c+d+e+f≦200 and 1 ≦a+c+d+f, (b) a block consisting of the repeating units of the formula: ##STR20## wherein p, q and r are each 0 or a positive integer and satisfy the following equations: 2≦p+q+r≦200 and ≦ p+q, (c) a block consisting of the repeating units of the formula: ##STR21## wherein R f1 and Rf 2 are the same or different and C 1 -C 3 perfluoroalkyl, k and m are each a positive integer and satisfy the equations: ≦ k+m≦50 and 0.2≦m/(k+m), and n is an integer of 0 to 10, and (d) a block consisting of repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and at least one block is a homopolymeric or random copolymeric block consisting of repeating units of the formula: --(CF.sub.2 CXY)-- wherein X is hydrogen or fluorine, Y is hydrogen, chlorine, fluorine, difluoromethyl or C 1 -C 8 perfluoroalkyl or perfluoroalkoxy, provided that when the former block consists of the repeating unit (d) alone, the combination of X=fluorine and Y=chlorine is excluded, wherein the content of the latter block is 1 to 95 % by weight based on the total weight of the block copolymer which process comprises polymerizing at least one fluorine-containing olefin of the formula: CF.sub.2 ═CXY where X and Y are as defined above, in the presence of a radical-generating source and at least one compound selected from the group consisting of: (a) an iodine-containing compound consisting of at least two repeating units selected from the formulae: --(CH.sub.2 CF.sub.2 CF.sub.2 O).sub.a -- --(CHClCF.sub.2 CF.sub.2 O).sub.b -- --(CCl.sub.2 CF.sub.2 CF.sub.2 O).sub.c -- --(CHFCF.sub.2 CF.sub.2 O).sub.d -- --(CFClCF.sub.2 CF.sub.2 O).sub.e -- --(CF.sub.2 CF.sub.2 CF.sub.2 O).sub.f -- wherein a, b, c, d, e, and f are each 0 or a positive integer and satisfy the following equations: a+b+c+d+e+f≦200 and a+c+d+f and an iodine atom at least at one end of a molecule, (b) an iodine-containing compound consisting of at least two repeating units of the formula ##STR22## wherein p, q and r are each 0 os a positive inteqer and satisfy the following equations: p+q+r <200 and p+q and an iodine atom at least at one end of a molecule, (c) an iodine-containing compound consisting of the repeating units of the formula: ##STR23## wherein R f1 and Rf 2 are the same or =perfluoroalkyl, k and m are each a positive integer and satisfy the equations: 2≦k+m≦50 and
Claim 5
Dependent Claim
65 words
2≦m/(k+m), and n is an integer of 0 to 10, and an iodine atom at least at one end of a molecule, and (d) an iodine-containing compound consisting of the repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and an iodine atom at least at one end of a molecule. to thereby form said block copolymer.
Claim 6
Dependent Claim
65 words
2≦m/(k+m), and n is an integer of 0 to 10, and an iodine atom at least at one end of a molecule, and (d) an iodine-containing compound consisting of the repeating units of the formula: --(CF.sub.2 CFCl).sub.x -- wherein x is an integer of 2 to 11, and an iodine atom at least at one end of a molecule. to thereby form said block copolymer.
References Cited (Backward Citations)
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