GB727393A - Compositions for making thermoplastic sheet materials and other moulded products - Google Patents
Compositions for making thermoplastic sheet materials and other moulded productsInfo
- Publication number
- GB727393A GB727393A GB2138950A GB2138950A GB727393A GB 727393 A GB727393 A GB 727393A GB 2138950 A GB2138950 A GB 2138950A GB 2138950 A GB2138950 A GB 2138950A GB 727393 A GB727393 A GB 727393A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plasticizer
- flock
- polyvinyl compound
- fibrous
- pulverulent
- 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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/08—PVDC, i.e. polyvinylidene chloride
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2309/00—Use of inorganic materials not provided for in groups B29K2303/00 - B29K2307/00, as reinforcement
- B29K2309/12—Asbestos
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Compositions suitable for the production of thermoplastic moulded products are made by distributing a pulverulent polyvinyl compound and a liquid plasticizer therefor which gels the polyvinyl compound on heating throughout a flock of fibrous material and heating the resultant fibrous mass sufficiently to anchor the pulverulent polyvinyl compound to the fibres of the material without effecting coalescence of the particles of the polyvinyl compound and plasticizer to a homogeneous mass. The amount of plasticizer is preferably sufficient to form a film of plasticizer on the flock. The polyvinyl compound may be polyvinyl chloride or a copolymer of vinyl chloride with vinyl acetate and/or vinylidene chloride in which the vinyl chloride units predominate and the plasticizer may be dibutyl, di-hexyl or di-octyl phthalate or tricresyl or trichlorphenyl phosphate. The flock may be of wool, cotton, asbestos, glass wool, slag wool or regenerated cellulose. A pulverulent filler, such as limestone, or a pigment or both may be distributed throughout the flock of fibrous material before the heating step and there may also be incorporated a non-gelling plasticizer which may be a petroleum hydrocarbon. The fibrous mass may be used for making sheet material suitable for flooring by feeding it to a calender, and marbled products may be made by simultaneously supplying to the calender differently coloured fibrous masses. Specification 723,643 is referred to.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2138950A GB727393A (en) | 1950-08-30 | 1950-08-30 | Compositions for making thermoplastic sheet materials and other moulded products |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2138950A GB727393A (en) | 1950-08-30 | 1950-08-30 | Compositions for making thermoplastic sheet materials and other moulded products |
Publications (1)
Publication Number | Publication Date |
---|---|
GB727393A true GB727393A (en) | 1955-03-30 |
Family
ID=10162101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2138950A Expired GB727393A (en) | 1950-08-30 | 1950-08-30 | Compositions for making thermoplastic sheet materials and other moulded products |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB727393A (en) |
-
1950
- 1950-08-30 GB GB2138950A patent/GB727393A/en not_active Expired
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