To provide a method for producing a fluorinated polymer which does not require an emulsifier as an essential component while an aqueous medium with little environmental burden is used. A method for producing a fluorinated polymer, which comprises polymerizing at least one fluorinated polymer selected from tetrafluoroethylene, chlorotrifluoroethylene and vinylidene fluoride, in an aqueous medium in the presence of a specific polymer having at least one type of units selected from units based on a compound represented by the formula (1) and units based on a compound represented by the formula (2) to produce a fluorinated polymer (provided that when tetrafluoroethylene is polymerized, tetrafluoroethylene is polymerized so that the content of units based on tetrafluoroethylene in the fluorinated polymer becomes less than 99 mass % to all units in the fluorinated polymer):

CXY═CR.sup.1—COO-(L-O).sub.n—R.sup.2  formula (1):

CXY═CR.sup.3—(O).sub.m—CH.sub.2—Z—R.sup.4  formula (2):

Provided is a composition for forming a coating film directly on the skin by an electrostatic spray, the composition being capable of forming a coating film having excellent skin compatibility, adhesion, and scratch resistance, having a good feel, and being easy to peel. A composition for forming a coating film, for forming a coating film composed of fibers directly on the skin by an electrostatic spray, the composition comprising the following Components (a), (b), (c), and (d): (a) a polymer having a coating film forming ability (b) one or more volatile substances selected from the group consisting of an alcohol and a ketone (c) a plasticizer (d) a feel modifier other than Component (c).

Provided is a composition for forming a coating film directly on the skin by an electrostatic spray, the composition being capable of forming a coating film having excellent skin compatibility, adhesion, and scratch resistance, having a good feel, and being easy to peel. A composition for forming a coating film, for forming a coating film composed of fibers directly on the skin by an electrostatic spray, the composition comprising the following Components (a), (b), (c), and (d): (a) a polymer having a coating film forming ability (b) one or more volatile substances selected from the group consisting of an alcohol and a ketone (c) a plasticizer (d) a feel modifier other than Component (c).

The present disclosure relates to adhesive compositions, processes of forming adhesive compositions, and multi-layer films. The processes generally include contacting an olefin monomer with a catalyst system within a polymerization zone to form an olefin based polymer under polymerization conditions sufficient to form the olefin based polymer, the catalyst system including a metal component generally represented by the formula:

MR.sub.x;

wherein M is a transition metal, R is a halogen, an alkoxy, or a hydrocarboxyl group and x is the valence of the transition metal, wherein the catalyst system further includes an internal donor (ID) comprising a C.sub.3-C.sub.6 cyclic ether; and withdrawing the olefin based polymer from the polymerization zone; and melt blending the olefin based polymer with a graft (polyolefin/elastomer) copolymer to form a polyolefin based adhesive composition, wherein the process is an in-line process.

The present disclosure relates to adhesive compositions, processes of forming adhesive compositions, and multi-layer films. The processes generally include contacting an olefin monomer with a catalyst system within a polymerization zone to form an olefin based polymer under polymerization conditions sufficient to form the olefin based polymer, the catalyst system including a metal component generally represented by the formula:

MR.sub.x;

wherein M is a transition metal, R is a halogen, an alkoxy, or a hydrocarboxyl group and x is the valence of the transition metal, wherein the catalyst system further includes an internal donor (ID) comprising a C.sub.3-C.sub.6 cyclic ether; and withdrawing the olefin based polymer from the polymerization zone; and melt blending the olefin based polymer with a graft (polyolefin/elastomer) copolymer to form a polyolefin based adhesive composition, wherein the process is an in-line process.

Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 μm. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.

Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 μm. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.

Polymer compositions may include a polymer matrix containing a polyolefin, one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles include a polar polymer selectively crosslinked with a crosslinking agent, and wherein the one or more polymer particles has an average particle size of up to 200 μm. Processes of preparing a polymer composition may include mixing a polyolefin, a polar polymer, and a crosslinking agent; and selectively crosslinking the polar polymer with the crosslinking agent in the presence of the polyolefin. Methods may include increasing stress cracking resistance of a polyolefin by mixing a polar polymer with the polyolefin; and selectively crosslinking the polar polymer in the presence of the polyolefin with a crosslinking agent to form crosslinked polar polymer particles dispersed in the polyolefin.

The invention provides carpet fibers prepared from a blend of polymeric components, said fiber exhibiting improved properties, such as improved spinnability and improved fire resistance. The carpet fibers particularly comprise a majority of polytrimethylene terephthalate (PTT) and a minority of polyethylene terephthalate (PET). The invention further provides yarns and carpets prepared from the inventive fibers, said yarns and carpets likewise exhibiting improved properties. The invention also provides methods of improving various physical properties (such as fire resistance, spinnability, and elongation) of a polymeric composition.

The present disclosure relates to a process and/or method for producing a polymer dispersion by free-radically initiated emulsion polymerization of radically polymerizable ethylenically unsaturated monomers within a polymerization reactor. The polymer dispersion obtained is transferred to a post-treatment reactor and is post-treated therein. The polymer dispersion within the post-treatment reactor is conveyed, simultaneously to the post-treatment, to a circuit for filtration and analysis and is then subsequently fed back into the post-treatment reactor.