Title:
MEDICAL RESIN COMPOSITION, PROCESS FOR PRODUCING RESIN COMPOSITION AND PROCESS FOR PRODUCING MOLDED ITEM
Document Type and Number:
WIPO Patent Application WO/2006/077944
Kind Code:
A1
Abstract:
A medical resin composition is produced by mixing a powder of polymer (A) composed of ester-group-having repeating units with a solvent of vinyl ester monomer (B) with ≥ 6 carbon atoms and thickening the mixture, optionally further advancing a polymerization reaction. The thus produced resin composition inhibits leaching of irritative substance, reduces any adverse effects on human body by endocrine inhibitors, etc. and can be prepared with high operational efficiency. This resin composition is suitable for use in dental resin compositions, such as a mucous membrane conditioning material, a functional impression material, a back lining material, a denture base material and a mouthpiece material.
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Inventors:
TANAKA JIRO (JP)
SUZUKI KAZUOMI (JP)
SUZUKI KAZUOMI (JP)
Application Number:
PCT/JP2006/300772
Publication Date:
July 27, 2006
Filing Date:
January 19, 2006
Export Citation:
Assignee:
UNIV OKAYAMA NAT UNIV CORP (JP)
TANAKA JIRO (JP)
SUZUKI KAZUOMI (JP)
TANAKA JIRO (JP)
SUZUKI KAZUOMI (JP)
International Classes:
A61K6/00; A61C9/00; A61C13/007; A61C13/01; A61K6/90; C08F2/44
Foreign References:
| JPH11140128A | 1999-05-25 |
Other References:
DATABASE CA [online] MIRONETS N.V.: "Comparative sanitary-toxicological features of plasticizers vinyl methyl adipate and divinyl adipate and their standardization in water tanks", XP003007784, accession no. STN Database accession no. (74:34456)
ANDREOPOULOS A.G.: "Plasticization of acrylic resins used in dentistry", JOURNAL OF MATERIALS SCIENCE LETTERS, vol. 3, no. 11, 1984, pages 1029 - 1030, XP003007785
NAKAMURA M.: "Phthalic Acid Ester Free no Nenmaku Choseizai no Kaihatsu o Mezashite", THE JOURNAL OF THE JAPAN DENTAL ASSOCIATION, vol. 56, no. 4, 2003, pages 347 - 357, XP003007786
KAWAHARA T. ET AL.: "Non-Phthalate Ester Plasticizer o Gan'yu shita Karifuzai no Yoshutsu Tokusei", THE JOURNAL OF THE JAPANESE SOCIETY FOR DENTAL MATERIALS AND DEVICES, vol. 23, no. 2, 2004, pages 165, XP003007787
PARKER S.: "Soft acrylic resin materials containing a polymerisable plasticiser II: water absorption characteristics", BIOMATERIALS, vol. 20, no. 1, 1999, pages 55 - 60, XP004168877
ANDREOPOULOS A.G.: "Plasticization of acrylic resins used in dentistry", JOURNAL OF MATERIALS SCIENCE LETTERS, vol. 3, no. 11, 1984, pages 1029 - 1030, XP003007785
NAKAMURA M.: "Phthalic Acid Ester Free no Nenmaku Choseizai no Kaihatsu o Mezashite", THE JOURNAL OF THE JAPAN DENTAL ASSOCIATION, vol. 56, no. 4, 2003, pages 347 - 357, XP003007786
KAWAHARA T. ET AL.: "Non-Phthalate Ester Plasticizer o Gan'yu shita Karifuzai no Yoshutsu Tokusei", THE JOURNAL OF THE JAPANESE SOCIETY FOR DENTAL MATERIALS AND DEVICES, vol. 23, no. 2, 2004, pages 165, XP003007787
PARKER S.: "Soft acrylic resin materials containing a polymerisable plasticiser II: water absorption characteristics", BIOMATERIALS, vol. 20, no. 1, 1999, pages 55 - 60, XP004168877
Attorney, Agent or Firm:
Mori, Hirosaburo (Ohjima Kurashiki-shi, Okayama 47, JP)
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