[특허]Method for production of cross-linked polymer

Method for production of cross-linked polymer 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08F-020/06
출원번호	US-0620902 (2000-07-20)
우선권정보	JP0142708 (1996-06-05)
발명자 / 주소	Hatsuda Takumi,JPX Yanase Toru,JPX Fujita Yasuhiro,JPX Kimura Kazuki,JPX
출원인 / 주소	Nippon Shokubai Co., Ltd., JPX
대리인 / 주소	Burns, Doane, Swecker & Mathis, LLP
인용정보	피인용 횟수 : 22 인용 특허 : 11

초록 ▼

A method for producing a cross-linked polymer manifesting a high absorption capacity and having a small content of soluble component by a convenient and expeditious process with high productivity is provided. An absorbent resin such that disposable diapers and other products incorporating the absorbent resin manifest outstanding qualities and a method for the production of the absorbent resin are proposed. The cross-linked polymer according to this invention is produced by a method of polymerizing an aqueous polymerizable monomer solution containing a water-soluble ethylenically unsaturated monomer and a first cross-linking agent capable of forming a hydrogel polymer by polymerization, which method comprises the steps of performing the polymerization in a substantially static state from the time at which the polymerization is initiated till the time at which the whole polymerization system is gelated, subsequently giving the polymerization system a thorough shearing force thereby granulating the hydrogel polymer before the polymerization system has the temperature thereof elevated by the heat of polymerization to the highest level, and further continuing the polymerization.

대표청구항

[What is claimed is:] [1.]

이 특허에 인용된 특허 (11)

Kellenberger Stanley R. (Appleton WI), Absorbent products containing hydrogels with ability to swell against pressure.
상세보기
Tsubakimoto Tsuneo (Toyonaka JPX) Shimomura Tadao (Toyonaka JPX) Irie Yoshio (Ashiya JPX) Masuda Yoshihiko (Suita JPX), Absorbent resin composition and process for producing same.
상세보기
Wada Katsuyuki,JPX ; Ishizaki Kunihiko,JPX ; Nagasuna Kinya,JPX, Absorbing agent composition, absorbent material, and absorbent product containing absorbent material.
상세보기
Brandt Kerryn A. (Cincinnati OH) Goldman Stephen A. (Cincinnati OH) Inglin Thomas A. (Cincinnati OH), Hydrogel-forming polymer compositions for use in absorbent structures.
상세보기
Tsubakimoto Tsuneo (Osaka JPX) Shimomura Tadao (Osaka JPX) Irie Yoshio (Hyogo JPX), Method for continuous production of cross-linked polymer.
상세보기
Kimura Kazumasa (Osaka JPX) Hatsuda Takumi (Himeji JPX) Irie Yoshio (Himeji JPX) Shimomura Tadao (Toyonaka JPX), Method for production of water absorbent resin.
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Brehm Helmut (Krefeld DEX) Hartan Hans-Georg (Kevelaer DEX), Powdery polymers capable of absorbing aqueous liquids, a process for their production and their use as absorbents.
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Sumiya Takashi (Kyoto JPX) Date Masashi (Kyoto JPX) Tanaka Kenji (Otu JPX), Process for producing water-absorbing resins.
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Nagasuna Kinya (Hyogo JPX) Namba Takashi (Osaka JPX) Miyake Koji (Osaka JPX) Kimura Kazumasa (Nara JPX) Shimomura Tadao (Osaka JPX), Production process for water-absorbent resin.
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Chang Ching-Jen (Chalfont PA) DeWitt Walter (Southampton PA), Superabsorbent polymeric compositions and process for producing the same.
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Ishizaki Kunihiko,JPX ; Nagasuna Kinya,JPX ; Harada Nobuyuki,JPX, Water-absorbent agent powders and manufacturing method of the same.
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이 특허를 인용한 특허 (22)

Nagasuna, Kinya; Kadonaga, Kenji; Mitsuhashi, Akiko; Imura, Motohiro, Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method.
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Kotake, Masato; Nakamura, Kenji; Kuzukawa, Masahiro, Apparatus for producing water-absorbent resin.
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Askari, Syed H.; Choi, Yeon S.; Horng, George, Biocompatible hydrogel polymer formulations for the controlled delivery of biomolecules.
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Askari, Syed H.; Choi, Yeon S., Biocompatible hydrogel treatments for retinal detachment.
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Askari, Syed H.; Choi, Yeon S., Biocompatible hydrogel treatments for retinal detachment.
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Wojcik, Gerald, Composition and process for inhibiting corrosion of metallic substrates.
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Wojcik, Gerald, Composition and process for inhibiting corrosion of metallic substrates.
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Askari, Syed H.; Horng, George, In-vivo gelling pharmaceutical pre-formulation.
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Balconi, Luca; Bareggi, Alberto; Belli, Sergio, Method for producing a coating layer made of expandable and cross-linkable material in a cable.
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Askari, Syed H.; Horng, George, Methods for treating diseases of the lung.
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Dairoku, Yorimichi; Adachi, Yoshifumi; Nogi, Kozo; Inoue, Hiroki; Wada, Katsuyuki; Irie, Yoshio, Particulate water absorbent agent and production method thereof, and water absorbent article.
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Dairoku,Yorimichi; Adachi,Yoshifumi; Nogi,Kozo; Inoue,Hiroki; Wada,Katsuyuki; Irie,Yoshio, Particulate water absorbent agent and production method thereof, and water absorbent article.
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Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
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Kobayashi, Taishi; Imura, Motohiro; Iwamura, Taku; Wada, Katsuyuki; Nogi, Kozo; Mitsukami, Yoshiro; Abe, Masato; Ueda, Hiroko; Honda, Koji, Particulate water absorbent and process for production thereof.
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Li, Shiuan-Tzung; Wang, Chao-Chin; Chang, Hui-Che, Polishing pad and fabricating method thereof.
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Fujimaru, Hirotama; Ishizaki, Kunihiko; Nakahara, Sei, Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin.
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Matsumoto, Yukihiro; Ishizaki, Kunihiko; Kanto, Teruyuki, Production process for water-absorbent resin.
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Matsumoto,Yukihiro; Ishizaki,Kunihiko; Kanto,Teruyuki, Production process for water-absorbent resin.
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Askari, Syed H.; Choi, Yeon S., Solid polyglycol-based biocompatible pre-formulation.
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Askari, Syed H.; Choi, Yeon S.; Wan, Paul YuJen, Solid polyglycol-based biocompatible pre-formulation.
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Nakamura, Masatoshi; Miyake, Koji; Iwamura, Taku; Watanabe, Yusuke, Water-absorbent resin composition, method of manufacturing the same, and absorbent article.
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Sakamoto, Shigeru; Ikeuchi, Hiroyuki; Machida, Sayaka, Water-absorbing resin and method for manufacturing 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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Method for production of cross-linked polymer 원문보기