CA1073575A - Process for stabilizing the viscosity of polyvinyl acetals - Google Patents

Process for stabilizing the viscosity of polyvinyl acetals

Info

Publication number
CA1073575A
CA1073575A CA258,946A CA258946A CA1073575A CA 1073575 A CA1073575 A CA 1073575A CA 258946 A CA258946 A CA 258946A CA 1073575 A CA1073575 A CA 1073575A
Authority
CA
Canada
Prior art keywords
buffer
resin
polyvinyl acetal
viscosity
safety glass
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
CA258,946A
Other languages
English (en)
French (fr)
Inventor
George E. Mont
James A. Snelgrove
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.)
Monsanto Co
Original Assignee
Monsanto Co
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
Priority claimed from US05/604,400 external-priority patent/US4027069A/en
Priority claimed from US05/604,271 external-priority patent/US4017444A/en
Application filed by Monsanto Co filed Critical Monsanto Co
Application granted granted Critical
Publication of CA1073575A publication Critical patent/CA1073575A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2571/00—Protective equipment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
CA258,946A 1975-08-13 1976-08-12 Process for stabilizing the viscosity of polyvinyl acetals Expired CA1073575A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/604,400 US4027069A (en) 1975-08-13 1975-08-13 Laminated safety glass prepared from buffered acetal
US05/604,271 US4017444A (en) 1975-08-13 1975-08-13 Process for stabilizing the viscosity of polyvinyl acetals using a buffer

Publications (1)

Publication Number Publication Date
CA1073575A true CA1073575A (en) 1980-03-11

Family

ID=27084626

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258,946A Expired CA1073575A (en) 1975-08-13 1976-08-12 Process for stabilizing the viscosity of polyvinyl acetals

Country Status (8)

Country Link
JP (1) JPS6016981B2 (de)
CA (1) CA1073575A (de)
CS (1) CS202049B2 (de)
DE (1) DE2636336A1 (de)
FR (1) FR2320967A1 (de)
GB (1) GB1517069A (de)
IT (1) IT1065926B (de)
MX (1) MX144895A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128694A (en) * 1977-05-09 1978-12-05 Monsanto Company Laminates comprising a plasticized interlayer
US4456639A (en) * 1982-06-07 1984-06-26 Sealtran Corporation Laminating film of thermoset polyester resin with external layer of embossable thermoplastic resin
US4937147A (en) * 1989-04-10 1990-06-26 Monsanto Company Transparent polymeric laminate
AU625119B2 (en) * 1989-04-10 1992-07-02 Monsanto Company Bonding polyvinyl butyral and polyurethane and method for obtaining same
JP5897457B2 (ja) * 2010-12-28 2016-03-30 積水化学工業株式会社 合わせガラス用中間膜及び合わせガラス

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1205353A (fr) * 1959-06-25 1960-02-02 Du Pont Stabilisation des colorants contre la photodégradation
US3298898A (en) * 1962-03-06 1967-01-17 Du Pont Solar infrared absorbers
US3556890A (en) * 1967-11-16 1971-01-19 Monsanto Co Process for production of interlayer safety-glass
GB1451933A (en) * 1973-09-17 1976-10-06 Glaverbel Fire resistant panels

Also Published As

Publication number Publication date
FR2320967B1 (de) 1980-10-03
DE2636336A1 (de) 1977-02-24
JPS6016981B2 (ja) 1985-04-30
GB1517069A (en) 1978-07-12
MX144895A (es) 1981-12-01
JPS5223151A (en) 1977-02-21
FR2320967A1 (fr) 1977-03-11
CS202049B2 (en) 1980-12-31
IT1065926B (it) 1985-03-04

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Legal Events

Date Code Title Description
MKEX Expiry