FR2076178A5 - Polyarylsilses quioxane mould release agents - useful for moulding of plastics - Google Patents

Polyarylsilses quioxane mould release agents - useful for moulding of plastics

Info

Publication number
FR2076178A5
FR2076178A5 FR7000146A FR7000146A FR2076178A5 FR 2076178 A5 FR2076178 A5 FR 2076178A5 FR 7000146 A FR7000146 A FR 7000146A FR 7000146 A FR7000146 A FR 7000146A FR 2076178 A5 FR2076178 A5 FR 2076178A5
Authority
FR
France
Prior art keywords
moulding
release agents
polyarylsilses
quioxane
plastics
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.)
Expired
Application number
FR7000146A
Other languages
French (fr)
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Priority to FR7000146A priority Critical patent/FR2076178A5/en
Application granted granted Critical
Publication of FR2076178A5 publication Critical patent/FR2076178A5/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
    • C08L83/04—Polysiloxanes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
    • C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/70—Siloxanes defined by use of the MDTQ nomenclature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Polyarylsilsesquioxanes are used as mould release agents esp. for moulding made at >100 degrees C and >100 bars. The material has intrinsic viscosity of 005 - 8 dl/g in benzene at 15 degrees C.
FR7000146A 1970-01-05 1970-01-05 Polyarylsilses quioxane mould release agents - useful for moulding of plastics Expired FR2076178A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7000146A FR2076178A5 (en) 1970-01-05 1970-01-05 Polyarylsilses quioxane mould release agents - useful for moulding of plastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7000146A FR2076178A5 (en) 1970-01-05 1970-01-05 Polyarylsilses quioxane mould release agents - useful for moulding of plastics

Publications (1)

Publication Number Publication Date
FR2076178A5 true FR2076178A5 (en) 1971-10-15

Family

ID=9048565

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7000146A Expired FR2076178A5 (en) 1970-01-05 1970-01-05 Polyarylsilses quioxane mould release agents - useful for moulding of plastics

Country Status (1)

Country Link
FR (1) FR2076178A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239108A2 (en) * 1986-03-28 1987-09-30 Daikin Industries, Limited Mold release composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0239108A2 (en) * 1986-03-28 1987-09-30 Daikin Industries, Limited Mold release composition
EP0239108A3 (en) * 1986-03-28 1988-01-20 Daikin Industries, Limited Mold release composition

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Legal Events

Date Code Title Description
ST Notification of lapse