GB1289555A - - Google Patents

Info

Publication number
GB1289555A
GB1289555A GB1289555DA GB1289555A GB 1289555 A GB1289555 A GB 1289555A GB 1289555D A GB1289555D A GB 1289555DA GB 1289555 A GB1289555 A GB 1289555A
Authority
GB
United Kingdom
Prior art keywords
substitute
dec
polystyrene
resins
thermoplastic
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
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 filed Critical
Publication of GB1289555A publication Critical patent/GB1289555A/en
Expired legal-status Critical Current

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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)

Abstract

1289555 Synthetic paper-substitute HITACHI CHEMICAL CO Ltd 24 Dec 1969 [27 Dec 1968 2 April 1969 30 June 1969] 62890/69 Heading B5B A product useful as a paper-substitute is obtained by forming into an unoriented sheet an incompatible homogeneous mixture of at least two resins, at least one of which is thermoplastic and has a modulus of tensile elasticity of at least 0À1 x 10<SP>4</SP>Kg/cm<SP>2</SP>, followed by mono- or biaxial drawing at a temperature between the glass transition point and the softening point of the mixture at which a white, translucent or opaque sheet is obtained. Both resins may be thermoplastic or one may be thermosetting. Mixtures exemplified are polyethylene-polystyrene, polypropylene-polystyrene and polypropylene-melamine resin, the sheets being press-moulded or melt extruded. A finely divided inorganic substance, e.g. TiO 2 , may be added. Stretching ratios in the range 2 x-5 x are exemplified.
GB1289555D 1968-12-27 1969-12-24 Expired GB1289555A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9548268 1968-12-27
JP2476969 1969-04-02
JP5098269 1969-06-30

Publications (1)

Publication Number Publication Date
GB1289555A true GB1289555A (en) 1972-09-20

Family

ID=27284780

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289555D Expired GB1289555A (en) 1968-12-27 1969-12-24

Country Status (2)

Country Link
DE (1) DE1964882B2 (en)
GB (1) GB1289555A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA949869A (en) * 1970-07-06 1974-06-25 Takashi Toyoda Production of synthetic papers
JPS4839826B1 (en) * 1970-07-31 1973-11-27
DE3347328C2 (en) * 1983-12-24 1997-05-15 Matthiesen Geb Sievers Gerda Plastic film with a mother-of-pearl glossy surface, as well as processes for its production and use

Also Published As

Publication number Publication date
DE1964882A1 (en) 1970-07-16
DE1964882B2 (en) 1972-01-27

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
434A Offer to surrender (sect. 34/1949)
4333 Proceeding terminated by surrender of patent under section 34 patents act 1949
433B Case decided by the comptroller ** patent revoked (sect. 33/1949)