JPS5534257A - Sintered material and its production - Google Patents

Sintered material and its production

Info

Publication number
JPS5534257A
JPS5534257A JP10734478A JP10734478A JPS5534257A JP S5534257 A JPS5534257 A JP S5534257A JP 10734478 A JP10734478 A JP 10734478A JP 10734478 A JP10734478 A JP 10734478A JP S5534257 A JPS5534257 A JP S5534257A
Authority
JP
Japan
Prior art keywords
granules
sintered material
polyvinyl alcohol
melt
mixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10734478A
Other languages
Japanese (ja)
Inventor
Teruo Iwanami
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP10734478A priority Critical patent/JPS5534257A/en
Publication of JPS5534257A publication Critical patent/JPS5534257A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: A melt-formable modified polyvinyl alcohol and an inorganic filler are mixed and sintered to give porous sintered material having hydrophilic, oil-resisting, solvent-resisting properties and high strength, thus being used as filter for food, gasoline strainer.
CONSTITUTION: A modified polyvinyl alcohol that is prepared by copolymerizing with unsaturated compounds with long chains as propylene, α-butene or α-octene or unsaturated sulfonic acid as ethylenesulfonic acid or allylsulfonic acid and has more than 5°C half-value width of the melting peak in differential thermal analysis and an inorganic filler as fiberglass and asbestos are mixed at a ratio of 100W 40wt% of the former to 0W60wt% of the latter. The mixture is extruded into pellets to form granules of which at least 80wt% ranges from 6 to 250mesh. The granules are filled in a previously heated mold and heated under compression to a temperature at which the granules melt only on the surface, thus producing the objective sintered material of 25W95% porosity.
COPYRIGHT: (C)1980,JPO&Japio
JP10734478A 1978-08-31 1978-08-31 Sintered material and its production Pending JPS5534257A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10734478A JPS5534257A (en) 1978-08-31 1978-08-31 Sintered material and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10734478A JPS5534257A (en) 1978-08-31 1978-08-31 Sintered material and its production

Publications (1)

Publication Number Publication Date
JPS5534257A true JPS5534257A (en) 1980-03-10

Family

ID=14456663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10734478A Pending JPS5534257A (en) 1978-08-31 1978-08-31 Sintered material and its production

Country Status (1)

Country Link
JP (1) JPS5534257A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164344A (en) * 1983-03-08 1984-09-17 Sanwa Kako Kk Hydrophilic open-cell foam and production thereof
JPH01156241U (en) * 1988-04-12 1989-10-26

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164344A (en) * 1983-03-08 1984-09-17 Sanwa Kako Kk Hydrophilic open-cell foam and production thereof
JPH0446981B2 (en) * 1983-03-08 1992-07-31 Sanwa Kako Co
JPH01156241U (en) * 1988-04-12 1989-10-26

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