摘要:
본 발명의 폴리아미드 수지 조성물은 화학식 1로 표시되는 반복단위 및 화학식 2로 표시되는 반복단위를 포함하는 폴리아미드 수지 약 40 내지 약 60 중량%; 올레핀계 공중합체 약 0.5 내지 약 10 중량%; 말레산 무수물 변성 올레핀계 공중합체 약 0.5 내지 약 10 중량%; 탄산칼슘 약 5 내지 약 15 중량%; 및 유리섬유 약 20 내지 약 40 중량%;를 포함하는 것을 특징으로 한다. 상기 폴리아미드 수지 조성물 및 이로부터 형성된 성형품은 도금 밀착력, 내충격성, 내열성, 외관 특성 등이 우수하다.
摘要:
The present invention provides a denture adhesive composition comprising a) at least one component comprising a C5 to C15 polyalkene and b) a viscosity index improver. The C5 to C15 polyalkene is preferably polydecene and the viscosity index improver is preferably hydrogenated styrene-isoprene copolymer.
摘要:
The present invention relates to a stable dispersion of expanded volcanic rock, in the form of a stable suspension, in a vegetable or mineral oil and /or masterization of the expanded volcanic rock microparticles in virgin and/or recycled engineered or non-engineered polymers, to improve fibers, filaments and/or injected pieces produced on the base of virgin or recycled engineered or non-engineered polymers. The invention further relates to a polymeric composition comprising expanded and micronized volcanic rock, or a stable dispersion thereof, to the process for preparing polymeric blends improved by incorporating the composition of volcanic rock microparticles into it, to products comprising a polymeric composition, and to the use of the polymeric composition in preparing fibers, filaments and/or injected pieces based on engineered or non-engineered polymers.
摘要:
A water permeable composite membrane is disclosed herein, comprising a thin film layer on a porous substrate. The thin film comprises a polymer and amine - containing compound associated with the polymer, and the amine-containing compound comprises at least one aliphatic hydrocarbon moiety attached to an amine group. Further disclosed herein are a process for preparing the aforementioned composite membrane described herein, a reverse osmosis apparatus comprising said composite membrane, and a method utilizing said composite membrane for treating water.
摘要:
La présente invention est relative à des matériaux permettant de générer du couplage mécanique dans des compositions élastomériques, utilisables notamment pour la fabrication de bandes de roulement de pneumatiques. En particulier elle se rapporte à une bande de roulement comprenant un matériau composite à base d'une matrice élastomérique, un système de réticulation, une charge renforçante et une pulpe.
摘要:
The disclosure relates to benzyl α-(1→3)-glucan, compositions comprising benzyl α-(1→3)-glucan, and blends comprising benzyl α-(1→3)-glucan and one or more polymers. Also disclosed are fibers comprising benzyl α-(1→3)-glucan, and articles comprising such fibers, including articles such as a carpet, a textile, a fabric, yarn, or apparel.
摘要:
This invention relates to a sheet comprising fibers and fibrids wherein either comprises a mixture of at least a first polymer and a second polymer; the first polymer derived from the reaction of one or more amine monomers and a plurality of acid monomers, wherein the one or more amine monomers includes at least 60 mole percent 5(6)-amino-2-(p- aminophenyl)benzimidazole, based on the total amount of amine monomers; and the plurality of acid monomers include those having a structure of CI-CO-Ar 1 -CO-CI & CI-CO-Ar 2 -CO-CI wherein An is an aromatic group having para-oriented linkages and Ar2 is an aromatic group having meta-oriented linkages, and wherein the plurality of acid monomers has at least 50 mole percent of the monomer containing aromatic group Ar 2 ; and the second polymer derived from the reaction of metaphenylene diamine and isophthaloyl chloride.
摘要:
A composition comprises (i) an elastomer, (ii) from 1 to 5 volume % of fibrous pulp, the pulp having a specific surface area of from 7 to 11 sq.m./g and the fiber having a fiber length of from 0.5 to 1.1 mm, a tensile modulus of from 2.5 to 130 GPa, and a tensile strength of from 1 to 3 GPa, and (iii) from 5 to 14 volume % of yield-strain promoter in the form of fibers, needles, powder or platelets, wherein the composition has a yield strain of at least 70%, an elongation at break of at least 200%, and a yield stress of at least 4 MPa.
摘要:
A polymer composition that contains at least one high performance polymer and at least one aromatic amide oligomer is provided. The oligomer can serve as a flow aid that lowers the overall viscosity of the polymer matrix under shear.