GB753815A - Process for the production of plastic foil - Google Patents
Process for the production of plastic foilInfo
- Publication number
- GB753815A GB753815A GB27979/54A GB2797954A GB753815A GB 753815 A GB753815 A GB 753815A GB 27979/54 A GB27979/54 A GB 27979/54A GB 2797954 A GB2797954 A GB 2797954A GB 753815 A GB753815 A GB 753815A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aerogel
- foil
- litres
- per cent
- produced
- 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
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
- C08K5/053—Polyhydroxylic alcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/02—Cellulose; Modified cellulose
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Plastic foils having a cellulose base are prevented from sticking by adding to the plasticizer an oxide aerogel of a particle size of 0.05 microns or less, formed by thermal decomposition of a volatile metal or metalloid compound in the vapour state in the presence of a hydrolysing agent. The amount of oxide aerogel incorporated into the foil is preferably 0.1-0.5 per cent by weight and the preferred aerogel is silica aerogel. The aerogel may be produced as described in Specification 726,250, [Group III]. In an example, a film formed by extruding viscose solution is stretched, washed and passed through a plasticizer bath of 540 litres of water, 60 litres of glycerine and 1 litre of a 15 per cent aqueous dispersion of a silica aerogel produced from silicon tetrachloride in the vapour state which has been thermally decomposed in the presence of a hydrolysing agent. The foil is squeezed and dried and has a non-sticky surface.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE328437X | 1953-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB753815A true GB753815A (en) | 1956-08-01 |
Family
ID=6186001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27979/54A Expired GB753815A (en) | 1953-11-18 | 1954-09-28 | Process for the production of plastic foil |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT185992B (en) |
| BE (1) | BE532334A (en) |
| CH (1) | CH328437A (en) |
| FR (1) | FR1115442A (en) |
| GB (1) | GB753815A (en) |
-
0
- BE BE532334D patent/BE532334A/xx unknown
-
1954
- 1954-09-02 CH CH328437D patent/CH328437A/en unknown
- 1954-09-03 AT AT185992D patent/AT185992B/en active
- 1954-09-28 GB GB27979/54A patent/GB753815A/en not_active Expired
- 1954-10-11 FR FR1115442D patent/FR1115442A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH328437A (en) | 1958-03-15 |
| BE532334A (en) | |
| AT185992B (en) | 1956-06-25 |
| FR1115442A (en) | 1956-04-24 |
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