Class / Patent application number | Description | Number of patent applications / Date published |
525210000 | Solid polymer derived from reactant containing a fused- or bridged- ring system | 13 |
20090209705 | THERMOPLASTIC RESIN COMPOSITION, OPTICAL FILM AND RETARDATION FILM - Each of the thermoplastic resin composition and the optical film of the present invention comprises a cycloolefin-based polymer (A) and a vinyl-based polymer (B) having a structural unit derived from p-isopropenylphenol. The thermoplastic resin composition and the optical film exhibit excellent compatibility of their components with keeping property of low birefringence inherent in the thermoplastic resin composition comprising the cycloolefln-based polymer and the vinyl-based polymer, and they are excellent in weathering resistance and heat resistance. | 08-20-2009 |
20110060108 | POLYESTER RESIN, PRODUCTION PROCESS THEREFOR, AND BIAXIALLY ORIENTED POLYESTER FILM COMPRISING THE POLYESTER RESIN - A polyester resin having excellent dimensional stability against environmental changes and excellent dimensional stability in the processing step while having excellent moldability and a biaxially oriented polyester film comprising the same. | 03-10-2011 |
20110275764 | Peroxide Cured TPV - Thermoplastic elastomer compositions and methods for making same. The elastomer composition can include at least one partially cured rubber component that is an ethylene-alpha-olefin-vinyl norbornene elastomeric polymer, and at least one thermoplastic component. The rubber component is at least partially cured using a peroxide curative in an amount effective to yield a cure level of the rubber component of at least 85%. The rubber component has a molecular weight distribution (MWD) less than 6, and a branching index greater than 0.60. | 11-10-2011 |
20130005911 | ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE - An acrylic pressure-sensitive adhesive composition contains: an acrylic polymer (A); and a (meth)acrylic polymer (B) that includes, as a monomer unit, a (meth)acrylic monomer having a tricyclic or higher alicyclic structure and that has a weight average molecular weight of 1000 or more and less than 30000. | 01-03-2013 |
20140194576 | RUBBER COMPOSITION, CROSSLINKED RUBBER COMPOSITION, PNEUMATIC TIRE, AND METHOD FOR PRODUCING ISOBUTYLENE POLYMER - A rubber composition containing a rubber component having an olefinic double bond, and an isobutylene polymer having a structural unit represented by the following formula (1) and a structural unit represented by the following formula (2), wherein the content of a low molecular weight substance whose molecular weight is 1000 or less in the isobutylene polymer is 5% by mass or less based on the total amount of the isobutylene polymer. | 07-10-2014 |
20170233516 | Cyclic Olefin Copolymers and Methods of Making Them | 08-17-2017 |
525211000 | Fused- or bridged-ring reactant contains at least two ethylenic groups | 7 |
20100081768 | CYCLIC OLEFIN POLYMER COMPOSITION, USE THEREOF, AND CYCLIC OLEFIN POLYMER - A cyclic olefin polymer composition comprising: [A] a specific cyclic olefin polymer having a softening temperature (TMA) of 120 to 300° C.; and [B] a specific cyclic olefin polymer having a glass transition temperature (Tg) of 50° C. or lower, wherein the absolute value of the difference between n | 04-01-2010 |
20100152388 | In-Reactor Polymer Blends - This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C | 06-17-2010 |
20120116021 | POLYMER COMPOSITIONS, METHODS OF MAKING THE SAME, AND ARTICLES PREPARED FROM THE SAME - The invention provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has an [(ML(1+4, 125° C.))/Mw(conv)]*1000 greater than 0.429 mole/g. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML, 1+4, 125° C.) greater than, or equal to, 70, and has a low shear viscosity (11 at 0.1 rad/sec) less than, or equal to, 100,000 Pa·sec. The invention also provides a composition comprising a first composition, which first composition comprises the following: A) a first interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; B) a second interpolymer comprising, in polymerized form, ethylene, an α-olefin and a nonconjugated polyene; and wherein the first composition has a Mooney Viscosity (ML(1+4, 125° C.)) greater than, or equal to, 70, and has an [Mw(abs)]/[Mw(conv)] less than 1.2. | 05-10-2012 |
20140018503 | POLYMER ALLOY AND RUBBER PRODUCT, AND PRODUCTION METHOD THEREOF - To provide a polymer alloy formed of a non-polar rubber and a polar rubber, and a rubber product, which are improved in ozone resistance (weather resistance) while having oil resistance and can achieve high mechanical strength (in particular, tensile strength), and a production method thereof. | 01-16-2014 |
20140221572 | PACKING SHEET - The present invention provides a packing sheet and PTP packing body, which do not include halogen materials such as chlorine and fluorine and have high water vapor barrier property. The packing sheet of the present invention includes at least a high-density polyethylene resin (A), petroleum resin (B), and amorphous polyolefin resin (C). Also, it is preferable that the weight blending ratio ((A+B)/C) of the total weight of the high-density polyethylene (A) and the petroleum resin (B) to the weight of the amorphous polyolefin (C) be 50/50 or more and 90/10 or less. | 08-07-2014 |
20150031837 | POLYMERIC MATERIAL AND PROCESS FOR RECYCLING PLASTIC BLENDS - There is provided a polymeric material comprising: a co-continuous or highly-continuous blend of polyethylene and polypropylene, the blend comprising a polyethylene phase and a polypropylene phase separated by a polyethylene/polypropylene interface; and one or more thermoplastics other than polyethylene and polypropylene, the one or more thermoplastics each having an interfacial tension with polypropylene higher than the interfacial tension of the polyethylene/polypropylene interface, wherein the one or more thermoplastics form discrete phases that are encapsulating each other, and wherein said discrete phases are comprised within the polypropylene phase of the co-continuous or highly-continuous blend or are located at the polyethylene/polypropylene interface. There is also provided a process for recycling a blend of thermoplastics comprising polyethylene, polypropylene and one or more other thermoplastics, the process comprising the step of melting and mixing the polyethylene, the polypropylene and the one or more other thermoplastics, thereby producing a polymeric material. | 01-29-2015 |
20150065655 | Dicyclopentadiene Based Resin Compositions and Articles Manufactured Therefrom - A composition including at least one elastomer, and a hydrocarbon polymer additive having a dicyclopentadiene, cyclopentadiene, and methylcyclopentadiene derived content of about 40 wt % to about 80 wt % of the total weight of the hydrocarbon polymer additive, a weight average molecular weight of about 100 g/mole to about 800 g/mole, and a softening point of about 110° C. to about 150° C. as determined in accordance with ASTM D6090. | 03-05-2015 |