[특허]Methods of recycling and compositions used therein

[미국특허] Methods of recycling and compositions used therein 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08J-011/04
출원번호	US-0193545 (1998-11-17)
발명자 / 주소	Peters Donald S. Brent Randall J.
출원인 / 주소	PPG Industries Ohio, Inc.
대리인 / 주소	Stachel
인용정보	피인용 횟수 : 5 인용 특허 : 41

초록 ▼

In one embodiment, the present invention relates to a method of separating a coating from a base plastic in a multilayered structure, comprising the steps of (A) providing the multilayered structure comprising at least a coating and a base plastic; (B) contacting the multilayered structure with a mixture comprising (i) a major amount of water, (ii) at least one basic compound or acid compound, (iii) at least one lifting agent, and (iv) at least one accelerator; and (C) separating the coating from the base plastic. In another embodiment, the present invention relates to a separating composition containing a major amount of water, at least one basic compound or acid compound, at least one lifting agent, and at least one accelerator. The inventive methods and compositions overcome numerous problems in the art by enabling the efficient recycling of coated polymer articles whereby clear and/or colorless recycled polymers may be obtained.

대표청구항 ▼

[ What is claimed is:] [1.] A method of physically separating a gas barrier polymer coating from a base thermoplastic polymer in a multilayered structure, comprising the steps of:(A) providing the multilayered structure comprising at least one gas barrier polymer coating and at least one base thermoplastic polymer;(B) contacting the multilayered structure with a mixture comprising (i) a major amount of water, (ii) at least one basic compound, (iii) at least one lifting agent, and (iv) at least one accelerator selected from the group consisting of glycol ethers, glycol ether acetates, alkylene carbonates, glycerine, lactones, hydrocarbyl substituted lactones, pvrrolidones, hydrocarbyl substituted pyrrolidones, furan compounds and mixtures thereof, wherein the pH of the mixture of step (B) is greater than about 7.5; and(C) physically separating the gas barrier polymer coating from the base thermoplastic polymer.

이 특허에 인용된 특허 (41) 인용/피인용 타임라인 분석

Beck Leslie M. (Perkasie PA), Alkaline cleaner and process for reducing stain on aluminum surfaces.
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Beck Leslie M. (Perkasie PA), Alkaline cleaner for reducing stain on aluminum surfaces.
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King Peter F. (Farmington Hills MI) Farina Samuel T. (Mt. Clemens MI) Korinek Karl A. (Troy MI), Alkaline cleaning process.
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Hashimoto Koji (Izumi JPX) Mitsuhashi Akira (Omiya JPX) Asami Katsuhiko (Sendai JPX) Kawashima Asahi (Sendai JPX) Takizawa Yoshio (Omiya JPX), Amorphous nickel alloy having high corrosion resistance.
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Gober Victor A. (Euclid OH) Raney David A. (Brookpart OH), Aqueous alkaline composition for cleaning aluminum and tin surfaces.
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Mahoney, Dennis F.; Block, William V., Aqueous alkaline polyamine paint stripping compositions.
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Claffey William J., Aqueous coating compositions and coated metal surfaces.
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Nayder Daniel A. (Strongsville OH) Blaha David A. (Parma OH), Aqueous coating compositions, process and coated substrates.
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Tittle Douglas L. (Willoughby OH), Chemical process control system.
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King Peter F. (Farmington Hills MI), Cleaner for steel cans.
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Reghi Gary A. (Sterling Hts. MI), Coating composition and method.
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King Peter F. (Farmington Hills MI), Composition and process for treatment of ferrous substrates.
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King Peter F. (Farmington Hills MI), Composition and process for treatment of ferrous substrates.
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Zaleski Richard R. (Mentor OH), Electroconductive aqueous coating compositions, process, and coated substrates.
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Nugent ; Jr. Richard M. (Allison Park PA) Niederst Ken W. (Allison Park PA) Seiner Jerome A. (Pittsburgh PA), Gas barrier coating from reacting polyamine, alkanolamine and polyepoxide.
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Nugent ; Jr. Richard M. (Allison Park PA) Niederst Ken W. (Allison Park PA) Seiner Jerome A. (Pittsburgh PA), Gas barrier coatings of polyepoxide/polyamine products.
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Eddy Victoria J. (Scotia NY), Method for salvaging aromatic polycarbonate blend values.
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Guhde Donald J. (Euclid OH), Method of preparing titanium-containing phosphate conditioner for metal surfaces.
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Peters Donald S. ; Brent Randall J., Methods of recycling and compositions used therein.
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King Peter F. (Farmington Hills MI), One package replenisher for aluminum cleaner.
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Mahoney Dennis F. (Hastings MN) Block William V. (Apple Valley MN), Polyalkylene polyamine-glycol accelerators for paint removal compositions.
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Nugent ; Jr. Richard M. (Allison Park PA) Niederst Ken W. (Allison Park PA) Seiner Jerome A. (Pittsburgh PA), Polyamine-polyepoxide gas barrier coatings.
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Kobler Ronald W. (Park City UT), Polyvinyl chloride-polyethylene terephthalate separation product.
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Claffey William J. (Novelty OH) Reid A. J. (Gates Mills OH), Post treatment of phosphated metal surfaces by aluminum zirconium metallo-organic complexes.
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Claffey William J. (15174 Hook Hollow Rd. Novelty OH 44072) Reid Alan J. (13345 County Line Rd. Gates Mills OH 44040), Post treatment of phosphated metal surfaces by organic titanates.
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Gober Victor A. (Euclid OH) Raney David A. (Brookpark OH), Process for cleaning aluminum and tin surfaces.
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Cobbs ; Jr. Walter H. (Amherst OH) Rehman William R. (Vermilion OH), Process for coating substrates with aqueous polymer dispersions.
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Sisson Edwin A. (Fairlawn OH), Process for separating polyethylene terephthalate from polyvinyl chloride.
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Beck Leslie M. ; Raney David A., Process for treating an aluminum can using a mobility enhancer.
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Peters Donald S. (Novelty OH), Recovery of useful products from by-products of phosphate conversion coating process.
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Beck Leslie M. (Concord OH) Nelson Cathy R. (Cleveland Hts. OH), Regeneration and recycling of contaminated solutions from aluminum and tin washer processes.
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Personette David L. (Slaughterville OK), Removal of a polymeric coating from a polyester substrate.
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Hnatin Michael D. (Williamsport PA) Reichgott David W. (Richboro PA), Rinse aid and lubricant.
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Wolf Stephen F. (St. Paul MN) Liu Chung-Tsing (Bloomington MN), Synthesis of alkyl phosphinate salts.
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Tittle Douglas L. (Willoughby OH), Titrating apparatus and method.
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Brent Randall J. ; Anthony Robert D., Treatment of metal parts to provide improved sealcoat coatings.
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Brent Randall J. (North Royalton OH) Blaha David A. (Parma OH), Treatment of metal parts to provide rust-inhibiting coatings.
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Brent Randall J. (North Royalton OH) Blaha David A. (Parma OH), Treatment of metal parts to provide rust-inhibiting coatings.
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Kelly Roger A. (Euclid OH) Pekar Howard G. (Mentor OH), Treatment of metal parts to provide rust-inhibiting coatings by phosphating and electrophoretically depositing a siccati.
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Reichgott David W. (Richboro PA), Water surface enhancer and lubricant for formed metal surfaces.
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Sullivan Carl J. (Exton PA), Water-reducible coating removers containing n-methyl-2-pyrrolidone.
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이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

Lawrence,Michel; Wichmann,Gerald, Bottlewash additive comprising an alkyl diphenylene oxide disulfonate.
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Anderson, Kraig, Economical, food-safe extraction of bisphenols.
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Yamane, Kazuyuki; Kato, Ryo; Wakamatsu, Akiko, Method of recycling laminated molding.
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Belakshe, Ravikant S.; Agrawal, Amit Chandrakant; Prakash, Chetan; Songire, Sumit Ramesh; Pathak, Amar Deep, Removing cured resins from subterranean formations and completions.
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Nguyen, Philip; Vo, Loan K., Removing resin coatings from wellbore surfaces.
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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] Methods of recycling and compositions used therein 원문보기