GB2517604B - Preparation method of an aqueous solution of the N-vinyl butyrolactam homopolymer K90 with low residual monomer content - Google Patents

Preparation method of an aqueous solution of the N-vinyl butyrolactam homopolymer K90 with low residual monomer content Download PDF

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Publication number
GB2517604B
GB2517604B GB1420099.2A GB201420099A GB2517604B GB 2517604 B GB2517604 B GB 2517604B GB 201420099 A GB201420099 A GB 201420099A GB 2517604 B GB2517604 B GB 2517604B
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United Kingdom
Prior art keywords
homopolymer
preparation
aqueous solution
residual monomer
monomer content
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Application number
GB1420099.2A
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GB2517604A (en
GB201420099D0 (en
Inventor
Wang Yu
Wu Meiling
Chen Zhan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI YUKING WATER SOLUBLE MATERIAL Tech CO Ltd
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SHANGHAI YUKING WATER SOLUBLE MATERIAL Tech CO Ltd
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Publication of GB201420099D0 publication Critical patent/GB201420099D0/en
Publication of GB2517604A publication Critical patent/GB2517604A/en
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F126/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F126/06—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F126/10—N-Vinyl-pyrrolidone
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/04—Polymerisation in solution
    • C08F2/10—Aqueous solvent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F26/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F26/06—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • C08F26/10—N-Vinyl-pyrrolidone
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/04—Azo-compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/06—Treatment of polymer solutions
    • C08F6/10—Removal of volatile materials, e.g. solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB1420099.2A 2012-05-16 2012-07-23 Preparation method of an aqueous solution of the N-vinyl butyrolactam homopolymer K90 with low residual monomer content Active GB2517604B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012101549303A CN102633926B (en) 2012-05-16 2012-05-16 Preparation method of low-residual-monomer N-vinyl butyl lactam homopolymer K90 aqueous solution
PCT/CN2012/079061 WO2013170534A1 (en) 2012-05-16 2012-07-23 Method for preparing homopolymer k90 aqueous solution of n-vinyl butyrolactam with low residual monomer

Publications (3)

Publication Number Publication Date
GB201420099D0 GB201420099D0 (en) 2014-12-24
GB2517604A GB2517604A (en) 2015-02-25
GB2517604B true GB2517604B (en) 2020-05-06

Family

ID=46618512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1420099.2A Active GB2517604B (en) 2012-05-16 2012-07-23 Preparation method of an aqueous solution of the N-vinyl butyrolactam homopolymer K90 with low residual monomer content

Country Status (3)

Country Link
CN (1) CN102633926B (en)
GB (1) GB2517604B (en)
WO (1) WO2013170534A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112830987A (en) * 2020-12-31 2021-05-25 衢州建华南杭药业有限公司 Application of composite initiator in preparation of high-performance medical povidone PVPK90
CN115073639A (en) * 2022-06-17 2022-09-20 中盐安徽红四方股份有限公司 Preparation method of polyvinylpyrrolidone K90 aqueous solution with thermal yellowing resistance
CN115093498B (en) * 2022-06-17 2023-05-26 中盐安徽红四方股份有限公司 Preparation method of PVP (polyvinyl pyrrolidone) with low residual monomer and low chromaticity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6617420B2 (en) * 2000-08-11 2003-09-09 Nippon Shokubai Co., Ltd. Process for reducing monomer content in N-vinyl compound polymers
JP2003286311A (en) * 2002-03-28 2003-10-10 Nippon Shokubai Co Ltd Method for manufacturing vinyl lactam-based polymer
CN1448415A (en) * 2002-04-04 2003-10-15 株式会社日本触媒 Vinylpyrrolidone polymer
CN101050298A (en) * 2006-04-05 2007-10-10 株式会社日本触媒 Polyvinylpyrrolidone powder composition and its production processes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001354723A (en) * 2000-06-15 2001-12-25 Dai Ichi Kogyo Seiyaku Co Ltd Method for producing highly pure vinyl pyrrolidone polymer
US6465592B1 (en) * 2000-06-15 2002-10-15 Dai-Ichi Kogyo Seiyaku Co., Ltd. Process for preparing vinylpyrrolidone polymer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6617420B2 (en) * 2000-08-11 2003-09-09 Nippon Shokubai Co., Ltd. Process for reducing monomer content in N-vinyl compound polymers
JP2003286311A (en) * 2002-03-28 2003-10-10 Nippon Shokubai Co Ltd Method for manufacturing vinyl lactam-based polymer
CN1448415A (en) * 2002-04-04 2003-10-15 株式会社日本触媒 Vinylpyrrolidone polymer
CN101050298A (en) * 2006-04-05 2007-10-10 株式会社日本触媒 Polyvinylpyrrolidone powder composition and its production processes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
CAO, YANG ET AL.: 'Study on the synthesis of medium-high molecular weight of PVP K60 with low residual monomer' FINE AND SPECIALTY CHEMICALS, 2012, vol. 20, no. 1, pages 40 - 44. *

Also Published As

Publication number Publication date
GB2517604A (en) 2015-02-25
WO2013170534A1 (en) 2013-11-21
CN102633926A (en) 2012-08-15
GB201420099D0 (en) 2014-12-24
CN102633926B (en) 2013-12-25

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