C08F255/00

Mixture of copolymers grafted with polyamide blocks and elastomers formulated with a cross-linking or vulcanisation system
09624331 · 2017-04-18 · ·

The mixture of the invention contains, for 100 parts by weight: (A) 10 to 90 parts in weight of at least one copolymer grafted to polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.3 polyamide grafts on said trunk in average, and having a nanostructured organization, wherein said grafts are attached to the trunk by the rest of an unsaturated monomer (X) having a function capable of reacting with a polyamide with an amine end; the rest of said monomer (X) being attached on the trunk by grafting or copolymerization from its double bond thereof, (A) optionally including at least one non-grafted polyolefin in a proportion such that the nano-structured organization of the compound (A) is preserved; and (B) 90 to 10 parts in weight of a formulation of at least one elastomer having unsaturated double bonds and capable of reacting with a crosslinking or vulcanization agent, said formulation containing a crosslinking or vulcanization system of said elastomer(s), at least one plasticizer and the standard additives present in elastomer formulations.

Mixture of copolymers grafted with polyamide blocks and elastomers formulated with a cross-linking or vulcanisation system
09624331 · 2017-04-18 · ·

The mixture of the invention contains, for 100 parts by weight: (A) 10 to 90 parts in weight of at least one copolymer grafted to polyamide blocks, said copolymer comprising a polyolefin trunk and at least 1.3 polyamide grafts on said trunk in average, and having a nanostructured organization, wherein said grafts are attached to the trunk by the rest of an unsaturated monomer (X) having a function capable of reacting with a polyamide with an amine end; the rest of said monomer (X) being attached on the trunk by grafting or copolymerization from its double bond thereof, (A) optionally including at least one non-grafted polyolefin in a proportion such that the nano-structured organization of the compound (A) is preserved; and (B) 90 to 10 parts in weight of a formulation of at least one elastomer having unsaturated double bonds and capable of reacting with a crosslinking or vulcanization agent, said formulation containing a crosslinking or vulcanization system of said elastomer(s), at least one plasticizer and the standard additives present in elastomer formulations.

BORONIC ESTER-BASED CROSSLINKED POLYMERS WITH IMPROVED PROCESSABILITY

The present invention relates to a process for preparing a crosslinked polymer composition containing exchangeable pending links and exchangeable crosslinks, by boronic ester metathesis reactions, said process implementing a thermoplastic polymer comprising pending boronic ester groups, and an additive as crosslinking agent that melts, and thus crosslinks, in the polymer matrix at a temperature, called temperature of dissociation, higher that the processing temperature. Said temperature of dissociation is reached in the later curing step only.

GRAFT COPOLYMER AND THERMOPLASTIC RESIN COMPOSITION

Provided is a graft copolymer (A) obtainable by graft-polymerizing, in the presence of 30 to 80 parts by mass of an ethylene-based polymer (a), an aromatic vinyl-based monomer (b) and, if necessary, another vinyl-based monomer (c) copolymerizable with the aromatic vinyl-based monomer (b) in a total amount of 20 to 70 parts by mass (provided that the sum of the components (a), (b) and (c) is 100 parts by mass), in which the ethylene-based polymer (a) has a density of 0.900 g/cm.sup.3 or more and less than 0.966 g/cm.sup.3, a number average molecular weight of 10,000 to 50,000, and a molecular weight distribution of 5 to 15, and the proportion of the ethylene-based polymer (a) molecules having a molecular weight of 10,000 or less is 5.5% or more.

Use of silane-modified polyolefins as adhesion promoters for the production flat laminates

The invention relates to the use of polyolefins modified with one or more silanes as adhesion promoters for the production of flat glass/glass, glass/plastic, or plastic/plastic laminates, to corresponding laminates, and to displays containing the laminates according to the invention.

Use of silane-modified polyolefins as adhesion promoters for the production flat laminates

The invention relates to the use of polyolefins modified with one or more silanes as adhesion promoters for the production of flat glass/glass, glass/plastic, or plastic/plastic laminates, to corresponding laminates, and to displays containing the laminates according to the invention.

STRETCHABLE AND FLEXIBLE ELECTRONICS AND METHODS OF MAKING AND USING THE SAME

A method of making a stretchable and flexible electronic device includes the steps of creating a computer aided design using a computer modeling software system of the electronic device; digitizing the computer aided design and importing the design into a computer memory of a sewing machine capable of performing embroidery; using the sewing machine and a conductive thread to embroider the design on to a fabric substrate to create the electronic device, whereby the electronic device comprises at least a portion of conductive threads; removing the fabric substrate from the electronic device using heat; coating the electronic device with a polymer.

Adhesive compositions for bonding and filling large assemblies
RE046269 · 2017-01-10 · ·

Adhesive composition for bonding and filling large assemblies, including a mixture of about 5 percent to about 75 percent by weight of a thermoplastic polymer, about 0.5 percent to about 35 percent by weight of a polyester resin or vinyl ester resin, and about 20 percent to about 80 percent by weight of an alkyl acrylate or methacrylate monomer.

Adhesive compositions for bonding and filling large assemblies
RE046269 · 2017-01-10 · ·

Adhesive composition for bonding and filling large assemblies, including a mixture of about 5 percent to about 75 percent by weight of a thermoplastic polymer, about 0.5 percent to about 35 percent by weight of a polyester resin or vinyl ester resin, and about 20 percent to about 80 percent by weight of an alkyl acrylate or methacrylate monomer.

IMPACT COPOLYMER POLYPROPYLENE COMPOSITION AND MOLDED ARTICLE OBTAINED FROM SUCH COMPOSITION

The present invention relates to an impact copolymer polypropylene composition comprising a polymer matrix which is selected from propylene homopolymer, propylene copolymer, and a mixture thereof; and an ethylene-propylene rubber phase dispersed in the polymer matrix, wherein the ethylene-propylene rubber phase is in an amount ranging from 4-10 wt % of the impact copolymer polypropylene composition and an amount of ethylene in the ethylene-propylene rubber phase is in a range of 35-45 mol % and a ratio of an intrinsic viscosity of the ethylene-propylene rubber phase to an intrinsic viscosity of the polymer matrix is in a range of 0.8-1.1. The composition according to the present invention is suitable for molding articles, such as containers or packaging which can be subjected to sterilization while still maintaining clarity and high impact strength.