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KR970027111A - 탈중합화된 천연 고무의 제조 방법 - Google Patents

탈중합화된 천연 고무의 제조 방법 Download PDF

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Publication number
KR970027111A
KR970027111A KR1019960052891A KR19960052891A KR970027111A KR 970027111 A KR970027111 A KR 970027111A KR 1019960052891 A KR1019960052891 A KR 1019960052891A KR 19960052891 A KR19960052891 A KR 19960052891A KR 970027111 A KR970027111 A KR 970027111A
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KR
South Korea
Prior art keywords
natural rubber
carbonyl compound
depolymerized
radical
radical former
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Application number
KR1019960052891A
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English (en)
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KR100473902B1 (ko
Inventor
야스유키 다나카
도시아키 사카키
아쓰코 가와사키
마사하루 하야시
에이지 가나마루
가즈히코 시바타
Original Assignee
사이토 나오토
스미토모고무고교 가부시키가이샤
도키와 후미가쓰
가오 가부시키가이샤
야마모토 히데키
닛토덴코 가부시키가이샤
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Application filed by 사이토 나오토, 스미토모고무고교 가부시키가이샤, 도키와 후미가쓰, 가오 가부시키가이샤, 야마모토 히데키, 닛토덴코 가부시키가이샤 filed Critical 사이토 나오토
Publication of KR970027111A publication Critical patent/KR970027111A/ko
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C1/00—Treatment of rubber latex
    • C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
    • C08C1/04—Purifying; Deproteinising
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/08—Depolymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/07—Aldehydes; Ketones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/22—Compounds containing nitrogen bound to another nitrogen atom
    • C08K5/23—Azo-compounds

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

본 발명은 분자량 분포가 좁은 액체 형태의 탈중합화된 천연 고무를 높은 반응 효율로 수득하는 탈중합화된 천연 고무의 제조 방법: 및 천연 고무 특유의 냄새 또는 착색이 없고 단백질로부터 유래된 즉시형 알레르기의 위험이 없는 탈중합화된 천연 고무의 제조 방법에 관한 것이다.
본 발명에 따른 방법은 카보닐 화합물을 천연 고무 라텍스에 첨가하고 생성되는 천연 고무를 라디칼 형성제의 존재하에서 공기 산화시키는 단계, 또는 카보닐 화합물을 탈단백질화된 천연 고무에 첨가하고 탈단백질화된 천연 고무를 라디칼 형성제의 존재 또는 부재하에서 공기 산화시키는 단계를 포함한다.

Description

탈중합화된 천연 고무의 제조 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 카보닐 화합물을 천연 고무 라텍스에 첨가하고 생성되는 천연 고무를 라디칼 형성제의 존재하에서 공기 산화시키는 단계를 포함하여, 탈중합화된 천연 고무를 제조하는 방법.
  2. 제1항에 있어서, 라디칼 형성제가 퍼옥사이드계 라디칼 형성제, 산화환원제 라디칼 형성제 및 아조계 라디칼 형성제중에서 선택되는 방법.
  3. 카보닐 화합물을 탈단백질화된 천연 고무의 라텍스에 첨가하고 생성되는 탈단백질화된 천연 고무를 공기 산화시키는 단계를 포함하여, 탈중합화된 천연 고무를 제조하는 방법.
  4. 제3항에 있어서, 탈중합화된 천연 고무의 산화를 라디칼 형성제의 존재하에서 수행하는 방법.
  5. 제4항에 있어서, 탈단백질화된 천연 고무의 질소 함량이 0.1중량% 이하인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960052891A 1995-11-10 1996-11-08 해중합천연고무의제조방법 Expired - Fee Related KR100473902B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP95-292907 1995-11-10
JP29290795A JP3517500B2 (ja) 1995-11-10 1995-11-10 解重合天然ゴムの製造方法

Publications (2)

Publication Number Publication Date
KR970027111A true KR970027111A (ko) 1997-06-24
KR100473902B1 KR100473902B1 (ko) 2005-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960052891A Expired - Fee Related KR100473902B1 (ko) 1995-11-10 1996-11-08 해중합천연고무의제조방법

Country Status (7)

Country Link
US (1) US5856600A (ko)
EP (1) EP0773230B1 (ko)
JP (1) JP3517500B2 (ko)
KR (1) KR100473902B1 (ko)
AU (1) AU716117B2 (ko)
DE (1) DE69606495T2 (ko)
MY (1) MY113535A (ko)

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US20210040675A1 (en) * 2018-01-23 2021-02-11 Samsung Electronics Co., Ltd. Clothing management apparatus

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EP1082149B2 (en) * 1998-05-29 2011-12-14 Kimberly-Clark Worldwide, Inc. Enhanced odor absorption by natural and synthetic polymers
JP2001081107A (ja) * 1999-09-10 2001-03-27 Sumitomo Rubber Ind Ltd 脱蛋白処理剤およびそれを用いたカチオン性脱蛋白天然ゴムラテックスの製造方法
AU2149001A (en) * 1999-10-22 2001-04-30 Ket Kunststoff-Und Elasttechnik Gmbh Liegau-Augustusbad Devulcanisation product consisting of scrap rubber, a devulcanisation compound, a method for producing same, the reuse thereof in fresh mixtures and the use thereof for producing injection moulded parts
JP2004176013A (ja) * 2002-11-29 2004-06-24 Nagaoka University Of Technology 液状エポキシ化天然ゴム及びその製造方法
JP3958712B2 (ja) * 2003-06-10 2007-08-15 株式会社千代田テクノル 放射性有機廃液を含む廃液処理方法と装置
JP4925592B2 (ja) * 2005-02-16 2012-04-25 株式会社ブリヂストン 変性天然ゴム、及びそれを用いたゴム組成物、タイヤ
JP5086557B2 (ja) * 2006-04-03 2012-11-28 株式会社ブリヂストン ゴム組成物及びそれを用いた空気入りタイヤ
JP5156255B2 (ja) * 2007-04-17 2013-03-06 株式会社ブリヂストン 酵素処理ラテックス、酵素処理天然ゴム、酵素処理天然ゴム組成物、酵素処理ラテックスの製造方法
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JP6091918B2 (ja) * 2013-02-07 2017-03-08 東洋ゴム工業株式会社 シリカマスターバッチ及びその製造方法
JP6100030B2 (ja) * 2013-03-07 2017-03-22 東洋ゴム工業株式会社 変性ポリマーの製造方法及びジエン系ポリマー
JP6062772B2 (ja) * 2013-03-07 2017-01-18 東洋ゴム工業株式会社 変性ポリマー組成物
JP6026320B2 (ja) * 2013-03-07 2016-11-16 東洋ゴム工業株式会社 ゴム組成物及び空気入りタイヤ
JP6087177B2 (ja) * 2013-03-07 2017-03-01 東洋ゴム工業株式会社 シリカマスターバッチ及びその製造方法
US9938771B2 (en) 2014-11-03 2018-04-10 Baker Hughes, A Ge Company, Llc Initiator nanoconstituents for elastomer crosslinking and related methods
US10246526B2 (en) 2016-09-02 2019-04-02 Mitsubishi Gas Chemical Company, Inc. Vulcanized rubber composition and production method thereof
JP6774869B2 (ja) * 2016-12-21 2020-10-28 Ｔｏｙｏ Ｔｉｒｅ株式会社 ゴムポリマーの製造方法
JP6774870B2 (ja) * 2016-12-21 2020-10-28 Ｔｏｙｏ Ｔｉｒｅ株式会社 タイヤ用ゴム組成物の製造方法、及びタイヤ用ゴム組成物
WO2019235622A1 (ja) 2018-06-08 2019-12-12 株式会社クラレ ゴム組成物及びそれを用いたタイヤ
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210040675A1 (en) * 2018-01-23 2021-02-11 Samsung Electronics Co., Ltd. Clothing management apparatus

Also Published As

Publication number Publication date
AU7066296A (en) 1997-05-15
US5856600A (en) 1999-01-05
MY113535A (en) 2002-03-30
JPH09136903A (ja) 1997-05-27
EP0773230A1 (en) 1997-05-14
EP0773230B1 (en) 2000-02-02
KR100473902B1 (ko) 2005-06-08
JP3517500B2 (ja) 2004-04-12
DE69606495T2 (de) 2000-06-21
AU716117B2 (en) 2000-02-17
DE69606495D1 (de) 2000-03-09

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