Patent classifications
C08F263/04
Polymer production method and radical polymerization initiating group-containing compound
The present invention provides: a novel production technique that enables production of a polymer whose molecular weight and molecular weight distribution are controlled and production of a polymer having a complicated structure in a desirably controlled manner using commercially available materials without using a radical polymerization initiator or a special material for use in living radical polymerization and without the need for strict polymerization conditions; and a radical polymerization initiating group-containing compound for use in the technique. The present invention relates to: a method for producing a polymer, the method including a polymerization step of mixing and warming (1) a radically polymerizable monomer, (2) an organic compound wherein at least one group that functions as a group for initiating polymerization of the monomer and that has a structure represented by formula 1 or formula 2 (X in the formula represents Cl or Br) is introduced in a molecule of the organic compound, and (3) an iodine-containing compound, thereby initiating, from the group having the structure, radical polymerization accompanied by a termination reaction; and the organic compound of (2) for use in the method. ##STR00001##
Polymer production method and radical polymerization initiating group-containing compound
The present invention provides: a novel production technique that enables production of a polymer whose molecular weight and molecular weight distribution are controlled and production of a polymer having a complicated structure in a desirably controlled manner using commercially available materials without using a radical polymerization initiator or a special material for use in living radical polymerization and without the need for strict polymerization conditions; and a radical polymerization initiating group-containing compound for use in the technique. The present invention relates to: a method for producing a polymer, the method including a polymerization step of mixing and warming (1) a radically polymerizable monomer, (2) an organic compound wherein at least one group that functions as a group for initiating polymerization of the monomer and that has a structure represented by formula 1 or formula 2 (X in the formula represents Cl or Br) is introduced in a molecule of the organic compound, and (3) an iodine-containing compound, thereby initiating, from the group having the structure, radical polymerization accompanied by a termination reaction; and the organic compound of (2) for use in the method. ##STR00001##
SILICON MODIFIED VINYL ACETATE ETHYLENE COPOLYMERS
This disclosure relates to silicon modified vinyl acetate ethylene copolymers and to emulsions and articles of manufacture based on the same.
SILICON MODIFIED VINYL ACETATE ETHYLENE COPOLYMERS
This disclosure relates to silicon modified vinyl acetate ethylene copolymers and to emulsions and articles of manufacture based on the same.
GRAFT COPOLYMER AND SOIL RESISTANT COMPOSITION
Provided is a graft copolymer and a treatment method which give excellent antifouling property to a substrate, especially a carpet. The graft copolymer has a trunk polymer having a hydroxyl group; and a branch having a C.sub.7-40 hydrocarbon group bonded to the trunk polymer at a carbon atom substituted with the hydroxyl group, wherein the branch has a repeating unit formed from an acrylic monomer represented by the formula: CH.sub.2C(X)C(O)YZ(Y.sup.2R).sub.n. The treatment method include applying the graft copolymer to the substrate.
GRAFT COPOLYMER AND SOIL RESISTANT COMPOSITION
Provided is a graft copolymer and a treatment method which give excellent antifouling property to a substrate, especially a carpet. The graft copolymer has a trunk polymer having a hydroxyl group; and a branch having a C.sub.7-40 hydrocarbon group bonded to the trunk polymer at a carbon atom substituted with the hydroxyl group, wherein the branch has a repeating unit formed from an acrylic monomer represented by the formula: CH.sub.2C(X)C(O)YZ(Y.sup.2R).sub.n. The treatment method include applying the graft copolymer to the substrate.
Expandable vinyl aromatic composition containing functionalized ethylene-vinyl acetate copolymer
The present invention relates to polymeric compositions that can be used for producing packaging with dynamic cushioning, with a pleasant touch, with reduced abrasive power, in which the expanded particles constituting the packaging adhere well to one another and do not come detached during use. Said compositions comprise: a) from 70% to 90% by weight of a vinyl aromatic polymer and/or copolymer, calculated with respect to (a)+(b); b) from 10% to 30% by weight of an ethylene-vinyl acetate copolymer (EVA) containing a percentage that ranges from 10% to 30% by weight of vinyl acetate, calculated with respect to (a)+(b); c) from 3 to 10 parts by weight of a blowing agent, calculated on 100 parts of component a) added to component b); said copolymer (b) being distributed in the polymer (a) in the form of particles having an average volumetric diameter ranging from 1 nm to 2000 nm. The compositions described and claimed do not include styrene-butadiene or styrene-isoprene block copolymers, hydrogenated or non-hydrogenated; thermoplastic polyurethanes, polystyrene-butadiene grafted polymers or styrene core-shell polymers.
Expandable vinyl aromatic composition containing functionalized ethylene-vinyl acetate copolymer
The present invention relates to polymeric compositions that can be used for producing packaging with dynamic cushioning, with a pleasant touch, with reduced abrasive power, in which the expanded particles constituting the packaging adhere well to one another and do not come detached during use. Said compositions comprise: a) from 70% to 90% by weight of a vinyl aromatic polymer and/or copolymer, calculated with respect to (a)+(b); b) from 10% to 30% by weight of an ethylene-vinyl acetate copolymer (EVA) containing a percentage that ranges from 10% to 30% by weight of vinyl acetate, calculated with respect to (a)+(b); c) from 3 to 10 parts by weight of a blowing agent, calculated on 100 parts of component a) added to component b); said copolymer (b) being distributed in the polymer (a) in the form of particles having an average volumetric diameter ranging from 1 nm to 2000 nm. The compositions described and claimed do not include styrene-butadiene or styrene-isoprene block copolymers, hydrogenated or non-hydrogenated; thermoplastic polyurethanes, polystyrene-butadiene grafted polymers or styrene core-shell polymers.
COMPOUND, POLYMER, AND ORGANIC MATERIAL
Providing a compound that can realize an organic material with an enhanced function.
Provided is a compound represented by the following general formula (1).
##STR00001##
(In the general formula (1), R.sup.101 to R.sup.104 are each independently a univalent substituent group represented by the following general formula (2-1), i to 1 are each independently an integer of 0 or 1, provided that i to 1 are not simultaneously 0.)
##STR00002##
(In the general formula (2-1), R.sup.203 and R.sup.204 are each independently a single bond or a straight chain or branched substituted or unsubstituted alkylene group represented by C.sub.nH.sub.2n (n is an integer of equal to or greater than 1), R.sup.205 is hydrogen or a straight chain or branched substituted or unsubstituted alkyl group represented by C.sub.nH.sub.2n+1 (n is an integer of equal to or greater than 1). Represented by k is an integer of equal to or greater than 1, and X is a bivalent or more-valent aromatic group. If carbon not bonded to R.sup.203 and R.sup.204 is present in the bivalent or more-valent aromatic group, the carbon is unsubstituted or has at least one substituent group. In addition, a part for bonding to R.sup.203 and at least one part for bonding to R.sup.204, possessed by the bivalent or more-valent aromatic group, may be any bondable carbon in the aromatic group. Represented by * in R.sup.101 to R.sup.102 is a part for bonding with carbon that is bondable in a benzene ring condensed with a thiophene ring in the general formula (1). Represented by * in R.sup.103 to R.sup.104 is a part for bonding with carbon that is bondable in the benzene ring not condensed with the thiophene ring in the general formula (1).)
COMPOUND, POLYMER, AND ORGANIC MATERIAL
Providing a compound that can realize an organic material with an enhanced function.
Provided is a compound represented by the following general formula (1).
##STR00001##
(In the general formula (1), R.sup.101 to R.sup.104 are each independently a univalent substituent group represented by the following general formula (2-1), i to 1 are each independently an integer of 0 or 1, provided that i to 1 are not simultaneously 0.)
##STR00002##
(In the general formula (2-1), R.sup.203 and R.sup.204 are each independently a single bond or a straight chain or branched substituted or unsubstituted alkylene group represented by C.sub.nH.sub.2n (n is an integer of equal to or greater than 1), R.sup.205 is hydrogen or a straight chain or branched substituted or unsubstituted alkyl group represented by C.sub.nH.sub.2n+1 (n is an integer of equal to or greater than 1). Represented by k is an integer of equal to or greater than 1, and X is a bivalent or more-valent aromatic group. If carbon not bonded to R.sup.203 and R.sup.204 is present in the bivalent or more-valent aromatic group, the carbon is unsubstituted or has at least one substituent group. In addition, a part for bonding to R.sup.203 and at least one part for bonding to R.sup.204, possessed by the bivalent or more-valent aromatic group, may be any bondable carbon in the aromatic group. Represented by * in R.sup.101 to R.sup.102 is a part for bonding with carbon that is bondable in a benzene ring condensed with a thiophene ring in the general formula (1). Represented by * in R.sup.103 to R.sup.104 is a part for bonding with carbon that is bondable in the benzene ring not condensed with the thiophene ring in the general formula (1).)