IN2012DN00437A - - Google Patents

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Publication number
IN2012DN00437A
IN2012DN00437A IN437DEN2012A IN2012DN00437A IN 2012DN00437 A IN2012DN00437 A IN 2012DN00437A IN 437DEN2012 A IN437DEN2012 A IN 437DEN2012A IN 2012DN00437 A IN2012DN00437 A IN 2012DN00437A
Authority
IN
India
Prior art keywords
resin composition
component
overmolded
polyamide
fibrous material
Prior art date
Application number
Inventor
Martyn Douglas Wakeman
Olaf Norbert Kirchner
Shengmei Yuan
Original Assignee
Du Pont
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Du Pont filed Critical Du Pont
Publication of IN2012DN00437A publication Critical patent/IN2012DN00437A/en

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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
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    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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  • Chemical & Material Sciences (AREA)
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  • Reinforced Plastic Materials (AREA)
  • Body Structure For Vehicles (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to the field of overmolded composite structures and processes for making them, particularly it relates to the field of overmolded heat resistant polyamide composite structures. The overmolded composite structure comprises i) a first component having a surface, which surface has at least a portion made of a surface resin composition, and comprising a fibrous material selected from the group consisting of non-woven structures, textiles, fibrous battings and combinations thereof, said fibrous material being impregnated with a matrix resin composition, wherein said surface resin composition and said matrix resin composition are polyamide compositions comprising one or more polyamide resins, and one or more polyhydric alcohols having more than two hydroxyl groups and ii) a second component comprising an overmolding resin composition, wherein said second component is adhered to said first component over at least a portion of the surface of said first component.
IN437DEN2012 2009-07-30 2010-07-30 IN2012DN00437A (en)

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PCT/US2010/043877 WO2011014751A1 (en) 2009-07-30 2010-07-30 Overmolded heat resistant polyamide composite structures and processes for their preparation

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CN102574385B (en) 2016-01-20
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EP2459376B1 (en) 2015-06-24
US20110039470A1 (en) 2011-02-17
BR112012001874A2 (en) 2019-09-24
JP5770728B2 (en) 2015-08-26
CN102574385A (en) 2012-07-11
KR20120047277A (en) 2012-05-11
RU2012107282A (en) 2013-09-10
EP2459376A1 (en) 2012-06-06
CA2768545A1 (en) 2011-02-03

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