Eckhard C A Schwarz: Process for stretching incremental portions of an orientable thermoplastic substrate and product thereof. Biax Fiberfilm Corporation, Marn & Jangarathis, September 26, 1978: US04116892 (211 worldwide citation)

There is disclosed a novel process and product produced thereby for the selective stretching of incremental portions of a substrate of a synthetic thermoplastic material selected from the group consisting of a thermoplastic orientable polymer or a blend of a thermoplastic orientable copolymer in whi ...

Henry W Yang, Jo Ann M Canich, Gary F Licciardi: Thermoplastic elastomers. Exxon Chemical Patents, Jaimes Sher, Catherine L Bell, July 23, 1996: US05539056 (164 worldwide citation)

This invention relates to polypropylene blends, particularly blends of high molecular weight amorphous polypropylene with low molecular weight isotactic polypropylene. These blends exhibit unusual elastomeric properties.

Sudhin Datta, Charles Cozewith, Periagaram Periagaram, Edmund J Stachowski: Elastic blends comprising crystalline polymer and crystallizable polym. ExxonMobil Chemical Patents, Stephen D Prodnuk, Mandi B Milbank, Paige Schmidt, November 4, 2003: US06642316 (128 worldwide citation)

Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends are provided comp ...

Cecchin Giuliano, Guglielmi Floriano: Plasto-elastic polypropylene compositions.. Himont, December 5, 1990: EP0400333-A2 (97 worldwide citation)

Polypropylene compositions having valued plasto-elastic properties, in the form of spheroidal flowable particles with an average diameter included between 500 and 7000 um having the following composition: A) 10-60 parts by weight of homopolymer polypropylene with isotactic index greater than 90, or ...

Lawrence George Kaufman, Charles Cozewith, Avinash Chandrakant Gadkari, Narayanaswami Raja Dharmarajan, Maria Dolores Ellul: Thermoplastic olefin compositions. Exxon Chemical Patents, June 12, 2001: US06245856 (96 worldwide citation)

The invention relates to novel Thermoplastic Olefin compositions comprising polypropylene, and ethylene-alpha olefin elastomer and a compatabilizer comprising an ethylene-propylene copolymer having a propylene content of greater than 80 weight percent. The ethylene-propylene copolymer compatabilizer ...

Listner Gregory J: Polypropylene monofilament sutures. Ethicon, December 28, 1971: US3630205 (76 worldwide citation)

A flexible, uniform monofilament of isotatic polypropylene having an improved hand and an ultimate elongation greater than 35 percent is prepared by extruding isotatic polypropylene having a weight average molecular weight between 299,000 and 316,000 to form a monofilament, stretching said monofilam ...

Eiichi Kubo, Koichi Nagaoka, Yoshiki Miyahara, Syunichi Kiriyama, Yasunobu Mishima: Polyolefinic biconstituent fiber and nonwove fabric produced therefrom. Unitika, Sughrue Mion Zinn Macpeak & Seas, October 17, 1989: US04874666 (75 worldwide citation)

A biconstituent fiber having good spinnability, a binder fiber made thereof, and a nonwoven fabric produced therefrom and which has high tensile strength and comfortable soft touch are provided. The biconstituent fiber is composed of linear low-density polyethylene and crystalline polypropylene and ...

Hashimoto Mikio Mitsui Petroch, Ueda Takasi, Kawasaki Masaaki, Moriya Satoru, Mizuno Akira, Fukuoka Daisuke, Imuta Junichi, Hirose Keiji, Saito Junji Mitsui Petrochemic, Kiso Yoshihisa: Propylene polymer composition.. Mitsui Petrochemical, April 5, 1995: EP0646624-A1 (74 worldwide citation)

A propylene polymer composition composed of a propylene polymer (A1) produced by using a metallocene catalyst and having a melt flow rate (MFR) of 0.01-30 g/10 min, a propylene polymer (A2) having an MFR of 30-1,000 g/10 min and, if necessary, a flexible polymer, wherein the ratio of the MFR of the ...

Shih Chi kai: Blends of propylene-alpha-olefin copolymers and polypropylene. E I du Pont de Nemours & Co, June 10, 1975: US3888949 (74 worldwide citation)

Blends of stereoregular propylene-.alpha.-olefin copolymers and polypropylene of similar stereoregularity characterized by melting and crystallization behavior characteristic of the stereoregular propylene sequences as well as improved injection molding characteristics.

Maria D Ellul: Thermoplastic elastomers having improved low temperature properties. Advanced Elastomer Systems, William A Skinner, March 1, 1994: US05290886 (72 worldwide citation)

Thermoplastic elastomers having improved low temperature properties are provided by incorporating suitable low molecular weight ester plasticizer into blends of crystalline polyolefin homopolymer or copolymer and olefinic rubber. The rubber component of the composition is at least partially cured.