GB944686A - Improvements in or relating to polyvinyl butyral films - Google Patents
Improvements in or relating to polyvinyl butyral filmsInfo
- Publication number
- GB944686A GB944686A GB23998/62A GB2399862A GB944686A GB 944686 A GB944686 A GB 944686A GB 23998/62 A GB23998/62 A GB 23998/62A GB 2399862 A GB2399862 A GB 2399862A GB 944686 A GB944686 A GB 944686A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyvinyl butyral
- film
- plasticizer
- precipitant
- parts
- 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
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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- 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
- 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
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
- B32B17/10908—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin in liquid form
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use 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; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/14—Homopolymers or copolymers of acetals or ketals obtained by polymerisation of unsaturated acetals or ketals or by after-treatment of polymers of unsaturated alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2429/00—Characterised by the use 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; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
944,686. Treating polyvinyl butyral films. DYNAMIT NOBEL A.G. June 21, 1962 [June 26, 1961], No. 23998/62. Heading B5B. The surface-tackiness of plasticizer-containing polyvinyl butyral film is reduced by immersing the film in a solution of polyvinyl butyral containing a precipitant for polyvinyl butyral, having a higher boiling point than the solvent, and in a concentration insufficient to cause precipitation of the polyvinyl butyral, and thereafter drying the film in a stream of warm air. The preferential evaporation of the solvent results in an increase in the concentration of precipitant in the applied solution, thereby causing precipitation of polyvinyl butyral on the film as a uniform, fine surface matting. The immersion bath is prepared by forming a solution of polyvinyl butyral with or without plasticizer, in, e.g., methanol and methyl acetate, in presence of a precipitant such as water, glycerine, an ether, an ethylene glycol, or an aliphatic hydrocarbon, e.g. benzine. Preferably, the concentration of precipitant is as close as possible to the precipitation point without actually precipitating the polyvinyl butyral. The film to be treated suitably contains 30% of plasticizer, e.g. triethylene glycol or diethylene butyral. In an example, a highly tacky plasticizer containing polyvinyl butyral film is briefly dipped into a mixture of methanol (100 parts), methyl acetate (100 parts), benzene B.P. 100-140‹ C. (150 parts) and plasticizer containing polyvinyl butyral (10 parts), and then dried in a stream of warm air.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED36407A DE1230559B (en) | 1961-06-26 | 1961-06-26 | Process for removing the surface tackiness of plasticized polyvinyl butyral films |
Publications (1)
Publication Number | Publication Date |
---|---|
GB944686A true GB944686A (en) | 1963-12-18 |
Family
ID=7043097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23998/62A Expired GB944686A (en) | 1961-06-26 | 1962-06-21 | Improvements in or relating to polyvinyl butyral films |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT238955B (en) |
BE (1) | BE619333A (en) |
DE (1) | DE1230559B (en) |
GB (1) | GB944686A (en) |
NL (1) | NL278465A (en) |
OA (1) | OA01658A (en) |
-
0
- BE BE619333D patent/BE619333A/xx unknown
- NL NL278465D patent/NL278465A/xx unknown
-
1961
- 1961-06-26 DE DED36407A patent/DE1230559B/en active Pending
-
1962
- 1962-06-21 GB GB23998/62A patent/GB944686A/en not_active Expired
- 1962-06-26 AT AT509562A patent/AT238955B/en active
-
1964
- 1964-12-31 OA OA51898A patent/OA01658A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE619333A (en) | |
OA01658A (en) | 1969-09-20 |
AT238955B (en) | 1965-03-10 |
NL278465A (en) | |
DE1230559B (en) | 1966-12-15 |
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