Patent classifications
C08L2207/04
Thermoplastic Elastomer Composition and Molded Articles Thereof
The present invention provides a thermoplastic elastomer composition that can form a molded article having excellent feel and transparency and to provide a molded article thereof. A thermoplastic elastomer composition comprising components (A) to (C), listed below, component (A): a propylene-based polymer; component (B): a block copolymer and/or a hydrogenated product thereof, the block copolymer including at least two polymer blocks P and at least one polymer block Q, the at least two polymer blocks P primarily including aromatic vinyl compound units, the at least one polymer block Q primarily including conjugated diene compound units; and component (C): an aryl-group-containing organopolysiloxane.
Thermoplastic elastomer composition
A thermoplastic elastomer composition contains component (A-2), component (B), and component (C). The content of component (A-2) is 5 parts by weight or more and 95 parts by weight or less with respect to 100 parts by weight of the total amounts of components (A-2) and (B), and the content of component (C) is 0.005% by weight or more and 3% by weight or less with respect to 100% by weight of the whole amount of the thermoplastic elastomer composition. Component (A-2) is a crosslinked product of component (A-1), which is an ethylene copolymer containing a monomer unit derived from propylene and/or α-olefins having 4 to 10 carbon atoms, and a monomer unit derived from ethylene, and having a Mooney viscosity (ML.sub.1+4, 125° C.) of 50 or more. Component (B) is a propylene polymer and component (C) is an antifungal agent.
Damping thermoplastic elastomer blends exhibiting clarity
A thermoplastic elastomer compound includes polyester-type thermoplastic polyurethane and no greater than about 30 weight percent of styrene-isobutylene-styrene block copolymer. The compound has good clarity, as exhibited by a haze of no greater than about 60%, or 50%, or 30%, according to ASTM D 1003. Additionally, the compound has good damping properties, as exhibited by a resilience or vertical rebound of less than about 25% according to ASTM D2632.
Fiber reinforced thermoplastic resin molded article and fiber reinforced thermoplastic resin molding material
There are provided a fiber reinforced thermoplastic resin molded article including a thermoplastic resin [A], carbon fibers [B] and a polyrotaxane [C], the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C] being included in amounts of 40 to 98 parts by weight, 1 to 40 parts by weight and 1 to 20 parts by weight, respectively, based on 100 parts by weight of the total content of the thermoplastic resin [A], the carbon fibers [B] and the polyrotaxane [C], wherein the carbon fibers [B] included in the molded article have a weight-average fiber length [Lw] in a range of 0.5 to 20 mm, and a ratio ([C]/[B]) of the content of the polyrotaxane [C] to that of the carbon fibers [B] is 0.04 or more and 0.5 or less; and a thermoplastic resin molded article which has excellent impact strength and also has excellent conductivity.
FOAMED ARTICLE WITH EXCELLENT STIFFNESS PRESERVATION AND SUPERIOR SURFACE QUALITY
The present invention relates to a foamed article comprising a polymer composition wherein the polymer composition comprises a first heterophasic propylene copolymer and an inorganic filler. The invention also relates to a process for the preparation of said foamed article and to the use of the foamed article for the preparation of automotive parts.
COMBINATION OF A THERMOPLASTIC ELASTOMER AND A FLUOROPOLYMER
The present invention relates to a combination of polymers comprising: at least one thermoplastic elastomer comprising at least 10% by mass of ester flexible blocks relative to the total mass of the thermoplastic elastomer, and at least one fluoropolymer comprising a vinylidene fluoride homopolymer or copolymer.
Carbon fiber reinforced polyolefin compositions and methods
The present disclosure generally relates to carbon fiber reinforced polyolefin compositions, which may have a relatively low density. The compositions may include a thermoplastic olefin, a filler component, a compatibilizer, and/or an additive package. In some embodiments, the filler component includes a plurality of carbon fibers. In addition, articles of manufacture and methods of making a carbon fiber reinforced polyolefin composition are provided.
Ethylene interpolymer products and films
This disclosure relates to ethylene interpolymer compositions and films prepared therefrom. Specifically: ethylene interpolymer products having: a dimensionless nonlinear rheology network parameter, Δ.sub.int., greater than or equal to 0.01, satisfying 0.01×(Z−50).sup.0.78≤Δ.sub.int.≤0.01×(Z−60).sup.0.78 inequality wherein Z is a normalized molecular weight defined by
where M.sub.w and M.sub.e are the weight average and entanglement molecular weights, and; a residual catalytic metal of from ≥0.03 to ≤5 ppm of hafnium. The disclosed ethylene interpolymer products have a melt index from about 0.3 to about 500 dg/minute, a density from about 0.855 to about 0.975 g/cc, a polydispersity,
from about 1.7 to about 25 and a Composition Distribution Breadth Index (CDBI.sub.50) from about 1% to about 98%.
Slip coating composition for glass run of vehicle
The present disclosure relates to a slip coating composition for glass run of a vehicle. More specifically, the present disclosure relates to a slip coating composition including: an olefin-based thermoplastic elastomer, polypropylene, and an ultra-high molecular weight polyethylene (UHMWPE) with a weight average molecular weight of 0.4×10.sup.6 to 1×10.sup.6 g/mol, and to a slip coating material formed of the composition, and according to the present disclosure, it is possible to improve a low friction coefficient, wear resistance, and color matching properties of the coating material.
Needle shield remover and a medicament delivery device comprising the needle shield remover
A needle shield remover for a medicament delivery device is presented that has a metal tubular body, a proximal part, a distal part, and a substantially circular cross-section, where the tubular body is arranged with a slot extending from a distal end of the body, at least half the length of the body, towards a proximal end, such that at least the distal part of the body may flex radially outwards to exert a radially inwardly directed clamping force on a needle shield accommodated by the body.