Jiguang
Jiguang Liu, Beijing CN
Patent application number | Description | Published |
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20080312390 | Process for preparation of polyolefin alloy - A process for preparing polypropylene compositions having high impact strength at low temperatures is disclosed in which the reaction is catalyzed by Ziegler-Natta/metallocene hybrid catalysts by the in-situ polymerization of one or more olefins of the formula CH | 12-18-2008 |
20090062466 | Polyolefin Composite Material And Method For Producing The Same - The present invention belongs to the field of polyolefin alloy preparation, and particularly relates to a polyolefin composite material in good form with adjustable composition and performances, produced by controlling a composite catalyst composed of Zieglar-Natta catalyst and metallocene catalyst to be catalytic by stage in the olefin polymerization reaction. This material is composed of propylene polymer and ethylene copolymer which is obtained by copolymerizing ethylene with alpha olefin or diolefin, wherein: the molar content of alpha olefin or diolefin in the ethylene copolymer is 0%˜60%, and the ethylene copolymer is 3˜80% by weight of the polyolefin composite material; the polyolefin composite material is in particle form, and the ethylene copolymer has a molecular weight distribution of 1˜6 and a glass transition temperature of −80˜0° C.; and the ethylene copolymer produced in the reaction is dispersed homogeneously in the propylene polymer particles to form the polyolefin composite material. | 03-05-2009 |
Jiguang Zhang, Shanghai CN
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20140323638 | PROCESS FOR PREPARING POLYURETHANE ACRYLIC HYBRID DISPERSIONS - The present invention provides a new process for making polyurethane/acrylic (PUA) hybrid dispersions, specifically, it relates to a chemical hybrid method for preparing stable, super durable and water whitening resistant PUA hybrid dispersions. The present invention further provides a PUA hybrid dispersion prepared according to the above process and a coating composition comprising the PUA hybrid dispersion. | 10-30-2014 |
20140323639 | NEW PROCESS FOR MAKING CROSSLINKABLE POLYURETHANE /ACRYLIC HYBRID DISPERSIONS - The present invention provides a new process of preparation for PUA with superior mechanical performance, such as elongation, and tensile strength. The process is solvent free, smooth, and robust. PU prepolymer prepared according to the present invention has low viscosity, and contains no particulate DMPA. | 10-30-2014 |
20150045491 | POLYURETHANE/ACRYLIC HYBRID DISPERSIONS FOR ROOF COATINGS AND THEIR PREPARATION - The present invention provides a process for making polyurethane/acrylic hybrid dispersions useful in high PVC coatings with excellent DPUR and water swelling performance, wherein acid monomers are used in acrylic polymerization. | 02-12-2015 |
20150210907 | PRESSURE-SENSITIVE ADHESIVES HAVING HIGH BIO-BASED CONTENT AND MACROMONOMERS FOR PREPARING SAME - A pressure sensitive adhesive composition comprising the polymerization product of: (A) a monomer selected from the group consisting of alkyl acrylates, alkyl methacrylates, and combinations thereof; and (B) a macromonomer comprising the reaction product of (a) a hydroxy-functional, ethylenically unsaturated monomer (e.g., an alkyl acrylate or methacrylate where the alkyl group is a C | 07-30-2015 |
Jiguang Zhang, Xuzhou CN
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20160032652 | DETACHABLE COMBINED-TYPE DRIVE KEY FOR ROTARY DRILLING RIG POWER HEAD - The present disclosure provides a detachable and combined drive key of a power head of a rotary drilling rig. The drive key includes torque transfer keys ( | 02-04-2016 |