Title:
【発明の名称】塩化ビニル系再生樹脂の製造方法
Document Type and Number:
Japanese Patent JP2958642
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a manufacturing method for a vinyl chloride regenerated resin made of a raw material of vinyl chloride product having different melting temperature zones without increasing heating temperature and without prolonging heating time. SOLUTION: A first group of resin material piece mainly consisting of a hard vinyl chloride resin is introduced into a first cylinder 17 of a main injection portion 12 of an extruder 11, and a second group of resin material piece mainly consisting of a soft vinyl chloride resin is introduced into a second cylinder 32 of a sub-injection portion 13. After the material pieces introduced into each cylinder 17, 32 are kneaded and separately melted, the resulting materials are mixed and kneaded, and extruded from a die 16 as a vinyl chloride regenerating resin.
Inventors:
HIRANO SATOSHI
YAMANO MASASHI
MITSUI KONOSUKE
SEI MASAKIMI
YAMANO MASASHI
MITSUI KONOSUKE
SEI MASAKIMI
Application Number:
JP28331498A
Publication Date:
October 06, 1999
Filing Date:
September 18, 1998
Export Citation:
Assignee:
TAIBOO KK
International Classes:
B29B7/42; B29B17/00; B29C48/40; B29K27/06; B29K105/26; (IPC1-7): B29B17/00; B29B7/42
Domestic Patent References:
| JP1275015A |
Attorney, Agent or Firm:
Junichi Shibata