[특허]Process for the production of polyurethane foam moldings

Process for the production of polyurethane foam moldings 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08J-009/00 C08J-009/12
출원번호	US-0280610 (1988-12-06)
우선권정보	DE-3742122 (1987-12-11)
발명자 / 주소	Neuhaus Alfred (Leverkusen DEX) Ganster Otto (Odenthal DEX) Mengal Manfred (Odenthal DEX)
출원인 / 주소	Bayer Aktiengesellschaft (Leverkusen DEX 03)
인용정보	피인용 횟수 : 9 인용 특허 : 7

초록 ▼

The present invention relates to a process for the production of fluorocarbon-free, rigid polyurethane foam moldings having a gross density of at least 300 kg/m3 by in-mold foaming of a reaction mixture based on (a) a polyisocyanate component containing at least one aromatic polyisocyanate, (b) a polyhydroxyl component, (c) blowing agents, (d) catalysts and (e) zeolitic adsorbents, at an isocyanate index of about 75 to 150, characterized in that (b) an organic polyhydroxyl compound or a mixture of organic polyhydroxyl compounds having an (average) hydroxyl functionality of at least 2.2 and an (average) OH number of at least 300 mg KOH/g is used as the polyhydroxyl component, (c) water and/or carbon dioxide is/are used as the blowing agent and (e) the zeolitic adsorbents have a pore diameter of at least 0.7 nm.

대표청구항 ▼

A process for the production of a fluorocarbon-free, rigid polyurethane foam molding having a gross density of at least 300 kg/m3 by in-mold foaming a reaction mixture comprising (a) a polyisocyanate component comprising at least one aromatic polyisocyanate, (b) at least one organic polyhydroxyl compound having an (average) hydroxyl functionality of at least 2.2 and an average OH number of at least 300 mg KOH/g, (c) a blowing agent comprising water and/or carbon dioxide, (d) a catalyst for the reaction between isocyanates and hydroxyl groups and (e) a zeolitic absorbent having a pore diameter of at least 0.7 nm.

이 특허에 인용된 특허 (7)

Barth Bruce P. (Bridgewater NJ) Johnson Robert N. (Basking Ridge NJ) Mayer Walter P. (Lebanon NJ), Frothable polyurethane composition and a cellular foam produced therefrom suitable for use in joints between wallboards.
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Wegner Gunter H. (Charlotte NC), Non-burning, non-dripping instant set microcellular polyurethanes.
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Conkey James B. (Catasauqua PA) Taylor Glenn A. (Allentown PA), Polyurethane foams incorporating alkoxylated aromatic diamine and acetylenic glycol.
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von Bonin Wulf (Leverkusen DEX), Porous and non-porous intumescent masses.
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Roche Peter (Munich DEX) Rank Mathaeus (Olching/Neu-Esting DEX), Process for the preparation of cellular or noncellular plastics from at least two components which react with one anothe.
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Blount David H. (6728 Del Cerro Blvd. San Diego CA 92120), Process for the production of thixothropic silicates and stable organic-silicate emulsions.
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Wellensiek Gunther (Bonn-Bad Godesberg DT), Water-permeable floor covering boards.
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이 특허를 인용한 특허 (9)

Lombardo, Brian, Foam semiconductor polishing belts and pads.
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Lombardo, Brian; Otto, Jeffrey P., Froth and method of producing froth.
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Mascioli Rocco L. (Media PA), Hydrated salt systems for controlled release of water in polyurethane foams.
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Rudolph, Hans; Klostermann, Rainer; Kaminsky, Torben; Lohaus, Bernd; Ahlers, Jürgen; Schmied, Bernhard; Gutmann, Peter; Hahn, Klaus; Prissok, Frank; Marten, Elke; Däschlein, Christian, Method for producing expanded granules.
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Rajendran, Santhosh Kumar; Sinha, Vikash Kumar; Sriraman, Ravi; Thiagarajan, Chinniah; Vetrivel, Rajappan, Polymeric foams with nanocellular morphology and methods for making them.
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Thiagarajan, Chinniah; Chatterjee, Gautam; Sriraman, Ravi; Rajendran, Santhosh Kumar; Vaidyalingam, Anand, Polymeric foams with nanocellular morphology and methods for making them.
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Horn Peter,DEX ; Denzinger Walter,DEX ; Fuchs Harald,DEX ; Bohme Ralf,DEX, Production of chlorofluorocarbon-free, urethane-containing moldings having a cellular core and an integral skin.
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Sriraman, Ravi; Thiagarajan, Chinniah; Taraiya, Ajay, Reflective polymeric article and manufacture.
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Kishimoto Yoshio (Hirakata JPX) Suzuki Masa-aki (Hirakata JPX) Hashida Takashi (Osaka JPX) Inagaki Fumihiro (Osaka JPX), Thermal insulator and method for producing the same.
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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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Process for the production of polyurethane foam moldings 원문보기