[특허]Process for resin transfer molding and formulations useful to practice it

[미국특허] Process for resin transfer molding and formulations useful to practice it 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-007/12 B29C-070/48
출원번호	US-0449378 (1995-05-23)
발명자 / 주소	Burton Bruce L. (Lake Jackson TX) Hunter Douglas L. (Angleton TX) Puckett Paul M. (Lake Jackson TX)
출원인 / 주소	The Dow Chemical Company (Midland MI 02)
인용정보	피인용 횟수 : 10 인용 특허 : 26

초록 ▼

An improved tackifier for making tackified substrates contains: (a) at least one epoxy resin, and (b) at least one curing agent for the epoxy resin, but (c) no catalytic amount of catalyst for the reaction between the epoxy resin and the curing agent. The tackified substrates are used to make composites by: (1) placing one or more of the tackified substrates in a mold; (2) injecting into the mold a matrix resin formulation which is chemically-similar to the tackifier, except that it contains a catalytic amount of catalyst for the reaction between the epoxy resin and the curing agent; and (3) curing the matrix resin formulation. The tackifiers are more storage-stable than similar tackifiers which contain catalyst, and the resulting composites have and/or retain physical properties better than composites made using tackifiers without curing agent.

대표청구항 ▼

A tackified substrate comprising: (1) a fibrous substrate suitable for use in a matrix composite; and (2) about 0.25 to 15 weight percent of a tackifier containing: (a) a phenol-hydrocarbon resin glycidyl derivative represented by the formula: [Figure] Formula I wherein “a”represents an average number of repeating units which is 0 to 10 (b) at least one curing agent containing at least one compound selected from the group consisting of a polyhydric phenol or phenolic resin, a carboxylic acid or a carboxylic acid anhydride, and (c) 0 to less than 0.05 weight percent of a catalyst selected from the group consisting of amines and ammonium compounds, phosphine and phosphonium compounds, aliphatic sulfonium and arsonium compounds and heterocyclic nitrogen-containing compounds, said catalyst present in the tackifier in amounts such that the catalyst does not promote a curing reaction between Components (a) and (b).

이 특허에 인용된 특허 (26) 인용/피인용 타임라인 분석

Ko Chan U. (Woodbury MN) Hackett Steven C. (St. Paul MN), Binder resin for resin transfer molding preforms.
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Ko Chan U. (Woodbury MN) Hackett Steven C. (St. Paul MN), Binder resin for resin transfer molding preforms, preforms made therewith, and a method for preparing such preforms.
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Sinclair, Richard G.; Berry, David L.; Cremeans, George E.; Markle, Richard A.; Germon, Jr., Wesley M., Block copolymer dispersion stabilizer and aqueous dispersion polymerization therewith.
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Lee Lieng-Huang (Webster NY), Carrier bead coating compositions.
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Bertram James L. (Lake Jackson TX) Walker Louis L. (Clute TX) Berman Jody R. (Lake Jackson TX) Clarke James A. (Lake Jackson TX), Curable, partially advanced epoxy resins.
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Parker David J. (Newtown CT) Nguyen Dean (Stamford CT), Fabrication process for composite swashplate.
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Drain Kieran F. (Rochester Hills MI) Nativi Larry A. (Rocky Hill CT) Thompson Richard T. (Haddam CT), Fiber/resin composites, and method of making the same.
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Honjo Satoru (Tokyo JA) Tamai Yasuo (Tokyo JA) Tsuji Nobuo (Tokyo JA), Imaging systems.
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Bertram James L. (Lake Jackson TX) Walker Louis L. (Clute TX) Muskopf John W. (Lake Jackson TX), Latent catalysts for epoxy-phenolic reactions.
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Sprengling Gerhard R. (Derry Township ; Westmoreland County PA), Method for impregnating resin powder directly into a laminate lay up.
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Goodrich Richard B. (Pleasanton CA) Moulton Richard J. (Concord CA), Method for increasing the surface tack of prepreg materials.
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Heck Henry G. (Bhl TX DEX) White Warren D. (Lake Jackson TX), Method for preparing preforms for molding processes.
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Flonc Nicholas P. (E. Haven CT) Brace Michael W. (Poway CA), Method for stabilizing complex composite preforms.
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Pearce Robert G. (Lincoln) Osten Samuel J. (Lincoln NE), Method of fabricating a preform in a resin transfer molding process.
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James Darryl G. (Camarillo CA) Jackson ; Jr. Aubrey G. (Huntington Beach CA) Novak Stephen M. (Maple Valley WA), Method of making composite laminate parts combining resin transfer molding and a trapped expansion member.
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Hoffmann Gerhard (Otterstadt DEX) Hofmann Reiner (Ludwigshafen DEX) Elzer Albert (Otterstadt DEX), Photosensitive recording materials.
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Rashkovsky Alexander (Skokie IL), Power take-off shaft shield assembly.
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Goodrich Richard B. (Pleasanton CA) Moulton Richard J. (Concord CA), Prepreg material having increased surface tack.
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Korpman Ralf (Bridgewater NJ), Process for pressure-sensitive adhesive coated products.
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White Warren D. (Lake Jackson TX) Cook Phil H. (Cheshire CT) Wai Martin (Cheshire CT) Davis William (Lake Jackson TX), Process for resin transfer molding and preform used in the process.
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White Warren D. (Lake Jackson TX) Cook Phil H. (Cheshire CT) Wai Martin (Cheshire CT) Davis William (Lake Jackson TX), Process for resin transfer molding using a partially cured tackifier.
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Sutter Hubert (Leverkusen DEX) Kolwert Alois (Roesrath DEX) Obrecht Werner (Moers DEX), Process for the production of ethylene-vinyl acetate copolymers, new ethylene/vinyl acetate copolymers and their use.
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Kawaguchi Takeyuki (Iwakuni JPX) Taketani Yutaka (Iwakuni JPX) Sasaki Noriaki (Iwakuni JPX) Minematsu Hiroyoshi (Iwakuni JPX) Hayashi Yuzuru (Iwakuni JPX) Hara Shigeyoshi (Iwakuni JPX), Semipermeable composite membrane.
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Flonc Nicholas P. (E. Haven CT) Brace Michael W. (Poway CA), Stabilized complex composite preforms.
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Curzio Frederick H. (Garden Grove CA) Moores Peter R. (Anaheim CA), Stabilizing fabric with weave reinforcement for resin matrices.
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Allagnat Pierre (La Verpilliere FRX) Charles Jean-Paul (Saint Genis Laval FRX) Delehaye Michel (Caluire FRX), Textile reinforcements for composite materials and method of manufacturing thereof.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Kochi, Shinji; Yoshioka, Kenichi; Miyoshi, Masayuki, Binder composition, reinforcing-fiber base material, preform, fiber-reinforced composite material, and manufacturing method therefor.
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Roser, Bruce Joseph; Garcia De Castro, Arcadio, Composition and method for controlled release injections.
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Grunder, Sergio; Koeniger, Rainer; Morley, Timothy A.; Jelic, Nebjosa; Reimers, Martin; Cate, Peter, Epoxy resin system containing polyethylene tetraamines for resin transfer molding processes.
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Grunder, Sergio; Koeniger, Rainer; Morley, Timothy A.; Jelic, Nebjosa; Vervoort, Sylvie; Reimers, Martin; Cate, Peter, Epoxy resin system containing polyethylene tetramines and triethylene diamine catalyst for resin transfer molding processes.
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Grunder, Sergio; Morley, Timothy A.; Koeniger, Rainer; Jelic, Nebojsa, Epoxy systems employing triethylaminetetraamine and tin catalysts.
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Perera, Willorage Rathna, Fabrication of composite structures.
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Morley, Timothy A.; Koeniger, Rainer; Grunder, Sergio; Jelic, Nebojsa; Hueppi, Rolf, Fast curing high glass transition temperature epoxy resin system.
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Carlier, Veronique; Bertin, Andre; Vandeuren, Mikhael, Method and apparatus for moulding parts made from composite materials.
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Gray E. Fowler ; Steve P. Phifer, Tackifier application for resin transfer molding.
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Shields, Nigel; Reimers, Martin; Verghese, Nikhil K. E.; Morley, Timothy A.; Null, Marty J.; Turakhia, Rajesh H., Thermosetting composition and process for preparing fiber-reinforced composites.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Process for resin transfer molding and formulations useful to practice it 원문보기