Home | Links | Contact Us | More About Intellectual Property | Bookmark
Search patents:
Home Adhesives and Rubbers Polypropylene-resin-composition

 Vinylcyclohexane--based polymer/copolymer mixture and stabilizer system
What is claimed is: 1. A method of using a thermoplastic molding composition that contains (A) a (...


 Carbon black preparation for use in mineral binder
What is claimed is: 1. A composition suitable for use in preparing a carbon black containing ...


 Process for the production of water containing carbon black preparations
We claim: 1. A process for the production of water containing carbon black preparations comprising ...


 Portland cement, process for preparing same, and compositions containing same
I claim: 1. A Portland cement composition comprising (1) dry powder of Portland cement, whose ...


 Rubber vulcanizates having improved hysteresis behavior
We claim: 1. Rubber vulcanizates produced from at least one rubber, a crosslinking agent, a filler, ...


 Ink jet recording having an ink with carbon black
Accordingly, it is an object of the present invention to solve the above-described problems of ...


 Conductive coating composition comprising pigment grade carbon
Now it has been found that a conductive coating composition which comprises: a) a pigment-grade ...


 EPDM, HNBR and Butyl rubber compositions containing carbon black products
OF THE INVENTION The present invention relates to a rubber composition prepared by the process ...


 Carbon black products for coloring mineral binders
The claimed invention is: 1. A mineral binder composition comprising a mineral binder and a carbon ...


 Dispersible carbonblack pellets
OF THE INVENTION The pellets of the present invention can be formed by agglomeration, either under ...


 Polypropylene resin composition

Details
Inventors: Hirano, Koki; Ohki, Ryuichi; Kobayashi, Yutaka;
Assignee: Idemitsu Petrochemical Co., Ltd. (Tokyo, JP)
Primary Examiner: Michl; Paul R.
Assistant Examiner: Niland; Patrick
Attorney, Agent or Firm: Oblon, Spivak, McClelland, Maier, & Neustadt

There is disclosed a polypropylene resin composition which comprises (a) polypropylene; (b) ethylene/.alpha.-olefin copolymer elastomer having a specific range of Mooney viscosity; (c) modified polyolefin having a specific functioal group at either or both end thereof; and (d) specific compound such as stearic acid monoglyceride, stearyl diethanolamine, N-diethanol stearylamide and N-diethanol dodecanaeamide. The above composition is excellent in elasticity, peeling strength and recoating properties, can be painted immediately after degreasing without pretreatment with trichloroethane, etc. and is well suited for polypropylene bumper materials to be painted, etc.

DETAILED DESCRIPTION What is claimed is: 1.
A polypropylene resin composition consisting essentially of 50 to 90% by weight of (a) polypropylene; 50 to 10% by weight of (b) an ethylene/.
alpha.
olefin copolymer elastomer having a Mooney viscosity of 10 to 100 (ML 1+4 (100.
degree.
C.
)); 0.
1 to 15 parts by weight based on 100 parts by weight of the components (a) and (b) in total of (c) a modified polyolefin formed by introducing a functional group in either or both end of a straight-chain polyolefin having a number-average molecular weight of 1,000 to 10,000, wherein the group is one selected from a hydroxyl group, a maleic anhydride group, an unsaturated carboxylic group and a polar group represented by the general formula ##STR5## wherein R.
sup.
1 is an alkylene group having 1 to 4 carbon atoms; and 0.
1 to 1.
0 part by weight based on 100 parts by weight of the components (a) and (b) in total of (d) a compound represented by the general formula (I) ##STR6## wherein R is a straight chain alkyl group having 10 to 22 carbon atoms and X denotes --N(CH.
sub.
2 CH.
sub.
2 OH).
sub.
2 or ##STR7## wherein the straight-chain polyolefin has a number average molecular weight of 2,000 to 6,000; and wherein component (d) is selected from the group consisting of stearic acid monoglyceride, stearyl diethanolamine, N-diethanol stearylamide and N-diethanol dodecaneamide.
2.
The composition according to claim 1 wherein the functional group introduced in either or both end of a straight-chain polyolefin is selected from a hydroxyl group, an unsaturated carboxylic group and a maleic anhydride group and is introduced in amount of 1 to 20% by weight based on said modified polyolefin.
3.
The composition according to claim 1 wherein the functional group introduced in either or both end of a straight-chain polyolefin is a polar group represented by the general formula ##STR8## wherein R.
sup.
1 is an alkylene group having 1 to 4 carbon atoms, and is introduced therein in an amount of 1 to 20% by weight based on said modified polyolefin



Related patents
  Coating composition having low volatile organic content
OF THE INVENTION The coating composition includes, in an organic phase, a polymer, preferably an acrylic polymer, having functionality selected from hydroxyl groups, ...
  Molded product of a polypropylene resin
Under these circumstances, it is an object of this invention to provide a molded product of a polypropylene resin which has excellent dimensional stability and ...
  Corrosion resistant coating for an iron-based part and method for applying same
OF THE PREFERRED EMBODIMENTS The preferred embodiments of this invention will now be described. The present invention relates to a method of surface treating a ...
  Polyurethane composition
1. A polyurethane composition comprising a polyurethane having compounded therein: (a) a hindered phenol in an antioxidant effective amount, wherein said hindered phenol ...
  Book binding process
OF THE INVENTION The Binding Process Modern book binding involves a series of collating, gluing and trimming steps which are preferably carried out as a continuous ...
  Two-shot hot-melt bookbinding
OF THE INVENTION In the perfect binding of books and related articles, standard equipment is employed which generally can be used in conjunction with a variety of ...
  Polyurethane dispersions for book binding
OF THE INVENTION The aqueous composition comprises an aqueous vehicle, a film-forming polymeric resin, and a polyurethane resin. The composition may also include an ...
  Use of sterically hindered amines or stabilised ethylene polymers in the production of plastic bodies for storage and transport of vegetable oil esters
We claim: 1. A method for storing and transporting vegetable oil esters comprising partially or completely filling a plastic article and/or component comprising ethylene ...
  Cationic polyurethane compositions, quaternary ammonium salts and methods for their preparation
The present invention is directed to a method for forming quaternary ammonium salts by reacting a tertiary amine moiety with an excess of an alkylene oxide in a system ...
  Thermoplastic elastomer composition
We claim: 1. A thermoplastic elastomer composition which comprises a partially crosslinked mixture of (A) an ethylene copolymer rubber comprising ethylene and an ...

0.004

Archive: All patents - Links

Copyright (c)2006 Eipa-patents.org - All rights reserved