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
20210114930 · 2021-04-22 ·

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
20210114930 · 2021-04-22 ·

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
20210130522 · 2021-05-06 · ·

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
20210130522 · 2021-05-06 · ·

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
10920033 · 2021-02-16 · ·

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
10920033 · 2021-02-16 · ·

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
20210040061 · 2021-02-11 ·

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
20210040061 · 2021-02-11 ·

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).)