A syndiotactic polypropylene resin composition comprising polypropylene having a substantially syndiotactic structure and a nucleating agent.
The invention relates to thermoplastic elastomers based on a PP/EPDM blend with a cross-linked EPDM phase, in which syndiotactic polypropylene acts as the viscosity promoter.
Synthesis of syndiotactic PVTFA on a commercial scale without the use of environmentally-harmful solvents is made possible by the invention, which provides a convenient commercial route to syndiotactic polyvinyl alcohol.
The ISBM articles generally include a syndiotactic propylene-based polymer.
Synthesis of syndiotactic PVTFA on a commercial scale without the use of environmentally-harmful solvents is made possible by the invention, which provides a convenient route to syndiotactic polyvinyl alcohol.
A polyelectrolyte which comprises a syndiotactic polystyrene and has an ion-exchanging ability; a polyelectrolyte film obtained by forming the polyelectrolyte into a film; and a fuel cell containing the polyelectrolyte film fitted thereto.
The material is formed by utilizing a syndiotactic polypropylene.
The resulting complexes are useful as catalysts in preparing polymers having a syndiotactic stereostructure.
The isotactic polypropylene may be an isotactic metallocene or Ziegler-Natta catalyzed polypropylene and may include an amount of syndiotactic polypropylene.
The invention relates also to copolymers having a syndiotactic nature in the α-olefin pentads.
The compatibilizers and coupling agents improve polarity of both the syndiotactic polystyrene and the rubber component and impact strength of the syndiotactic polystyrene composition.
A release liner is provided which has a release surface comprising a syndiotactic polymer.
Disclosed is a graft-modified syndiotactic propylene polymer having a high graft ratio.
The invention concerns a syndiotactic polypropylene whereon is grafted a functional monomer.
A release liner is provided which has a release surface comprising a syndiotactic polymer.
The use of the above-mentioned high-activity catalyst enables a highly syndiotactic styrene polymer to be produced efficiently.
Said incompatible polyolefin is an LDPE, HDPE, MDPE, ethylene-propylene-copolymer, cycloolefin polymer or syndiotactic polymer.
Said polypropylene fibers are made of a blend of sPP and iPP.
In a preferred embodiment, the second component comprises polyethylene, polybutylene, or syndiotactic polypropylene.
Desirably, the composite polymeric material comprises blends of syndiotactic and isotactic polypropylene with ferroelectric materials.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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