JPS6469306A - Releasing agent - Google Patents

Releasing agent

Info

Publication number
JPS6469306A
JPS6469306A JP22713487A JP22713487A JPS6469306A JP S6469306 A JPS6469306 A JP S6469306A JP 22713487 A JP22713487 A JP 22713487A JP 22713487 A JP22713487 A JP 22713487A JP S6469306 A JPS6469306 A JP S6469306A
Authority
JP
Japan
Prior art keywords
agent
viscosity
cst
releasing agent
dimethyl polysiloxane
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.)
Granted
Application number
JP22713487A
Other languages
Japanese (ja)
Other versions
JPH057170B2 (en
Inventor
Isao Ona
Tsutomu Osanawa
Atsumi Inoue
Katsutoshi Mine
Kazumi Nakayoshi
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.)
DuPont Toray Specialty Materials KK
Original Assignee
Toray Silicone 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 Toray Silicone Co Ltd filed Critical Toray Silicone Co Ltd
Priority to JP22713487A priority Critical patent/JPS6469306A/en
Publication of JPS6469306A publication Critical patent/JPS6469306A/en
Publication of JPH057170B2 publication Critical patent/JPH057170B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60—Releasing, lubricating or separating agents
    • B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
    • B29C33/64—Silicone

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

PURPOSE:To obtain releasing agent, from which neither oily volatile matter nor silicon dioxide powder develops even through the usage at high temperature, by a method wherein specified dimethyl polysiloxane is used as major agent. CONSTITUTION:The releasing agent concerned mainly consists of dimethyl polysiloxane, the content of dimethyl siloxane oligomer having the number of silicon atoms not more than 20 in which is 500ppm or less and the viscosity at 25 deg.C of which is 50-150,000 cSt. If the content of dimethyl siloxane oligomer in the agent exceeds 500ppm, the oligomer evaporates out of dimethyl polysiloxane, adheres to an exhaust fan or the like, turns into oily smears and further oxides by heat into silicon dioxide powder, resulting in exerting an adverse effect on electrical and electronic parts. If the viscosity at 25 deg.C of the agent is smaller than 50 cSt, the agent is volatile and consequently has insufficient release properties. If the viscosity is larger than 150,000 cSt, the viscosity is too thick for hardling convenience as a releasing agent.
JP22713487A 1987-09-10 1987-09-10 Releasing agent Granted JPS6469306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22713487A JPS6469306A (en) 1987-09-10 1987-09-10 Releasing agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22713487A JPS6469306A (en) 1987-09-10 1987-09-10 Releasing agent

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP35133793A Division JPH0791529B2 (en) 1993-12-27 1993-12-27 Emulsion type release agent

Publications (2)

Publication Number Publication Date
JPS6469306A true JPS6469306A (en) 1989-03-15
JPH057170B2 JPH057170B2 (en) 1993-01-28

Family

ID=16856011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22713487A Granted JPS6469306A (en) 1987-09-10 1987-09-10 Releasing agent

Country Status (1)

Country Link
JP (1) JPS6469306A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02308875A (en) * 1989-05-25 1990-12-21 Shin Etsu Chem Co Ltd Polishing agent composition
JPH0341153A (en) * 1989-07-10 1991-02-21 Toray Dow Corning Silicone Co Ltd Organopolysiloxane composition which can form releasable cured film
JPH05331371A (en) * 1992-03-30 1993-12-14 New Oji Paper Co Ltd Solvent-dilutable silicone compound for release paper and production of release paper using same
EP0612600A1 (en) * 1993-02-26 1994-08-31 Dow Corning Toray Silicone Company, Limited Release agent composition
EP0894597A3 (en) * 1997-07-31 1999-07-14 Dow Corning Toray Silicone Company, Ltd. Release agent
JP2015537077A (en) * 2012-10-31 2015-12-24 ソルヴェイ（ソシエテ アノニム） Method for producing fluoropolymer hybrid composite

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137786A (en) * 1974-09-27 1976-03-30 Nippon Steel Corp Shibori shigokikakokanno seizoho
US4188423A (en) * 1977-04-06 1980-02-12 Xerox Corporation Solvent extracted heat fuser member
JPS62162321A (en) * 1986-01-13 1987-07-18 Matsushita Electric Ind Co Ltd Manufacture of electronic apparatus
JPS63311372A (en) * 1987-06-15 1988-12-20 Fuji Xerox Co Ltd Fixing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5137786A (en) * 1974-09-27 1976-03-30 Nippon Steel Corp Shibori shigokikakokanno seizoho
US4188423A (en) * 1977-04-06 1980-02-12 Xerox Corporation Solvent extracted heat fuser member
JPS62162321A (en) * 1986-01-13 1987-07-18 Matsushita Electric Ind Co Ltd Manufacture of electronic apparatus
JPS63311372A (en) * 1987-06-15 1988-12-20 Fuji Xerox Co Ltd Fixing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02308875A (en) * 1989-05-25 1990-12-21 Shin Etsu Chem Co Ltd Polishing agent composition
JPH0341153A (en) * 1989-07-10 1991-02-21 Toray Dow Corning Silicone Co Ltd Organopolysiloxane composition which can form releasable cured film
JPH05331371A (en) * 1992-03-30 1993-12-14 New Oji Paper Co Ltd Solvent-dilutable silicone compound for release paper and production of release paper using same
EP0612600A1 (en) * 1993-02-26 1994-08-31 Dow Corning Toray Silicone Company, Limited Release agent composition
EP0894597A3 (en) * 1997-07-31 1999-07-14 Dow Corning Toray Silicone Company, Ltd. Release agent
JP2015537077A (en) * 2012-10-31 2015-12-24 ソルヴェイ（ソシエテ アノニム） Method for producing fluoropolymer hybrid composite

Also Published As

Publication number Publication date
JPH057170B2 (en) 1993-01-28

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