GB1184177A - Process for the Production of Rotationally Moulded Articles - Google Patents

Process for the Production of Rotationally Moulded Articles

Info

Publication number
GB1184177A
GB1184177A GB5208267A GB5208267A GB1184177A GB 1184177 A GB1184177 A GB 1184177A GB 5208267 A GB5208267 A GB 5208267A GB 5208267 A GB5208267 A GB 5208267A GB 1184177 A GB1184177 A GB 1184177A
Authority
GB
United Kingdom
Prior art keywords
composition
vinyl chloride
nov
article
heating
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
GB5208267A
Inventor
Ernst Schainberg
Wolfgang Pungs
Werner Abele
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of GB1184177A publication Critical patent/GB1184177A/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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/04—Rotational or centrifugal casting, i.e. coating the inside of a mould by rotating the mould
    • 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
    • B29K2027/06—PVC, i.e. polyvinylchloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group

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)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Moulding By Coating Moulds (AREA)

Abstract

1,184,177. Rotational moulding. DYNAMIT NOBEL A.G. 15 Nov., 1967 [16 Nov., 1966], No. 52082/67. Heading B5A. An article having a rough inner surface to which a foam can readily adhere is produced by rotational casting of a first plasticized vinyl chloride polymer composition, while heating to cause initial gelation, i.e. formation of a solid skin, of the first composition and adding a second vinyl chloride polymer composition of particle size 0À5-2À0 mm. rotating and heating the mould to complete gelation of the first plasticized composition. The second composition preferably has a K-value at least 5% higher than that of the first, preferably 60-80, is in an amount 20-40% by wt of the first, and is added at a temperature 10-15‹ C. less than that at which the complete gelation is effected. The compositions, which may be in powder form or pastes, may comprise polyvinyl chloride or a vinyl chloride copolymer e.g. with vinyl acetate. A foam material e.g. polyurethane, polyether or polyester may be applied to the rough inner surface of the article.
GB5208267A 1966-11-16 1967-11-15 Process for the Production of Rotationally Moulded Articles Expired GB1184177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0051562 1966-11-16

Publications (1)

Publication Number Publication Date
GB1184177A true GB1184177A (en) 1970-03-11

Family

ID=7053466

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5208267A Expired GB1184177A (en) 1966-11-16 1967-11-15 Process for the Production of Rotationally Moulded Articles

Country Status (5)

Country Link
BE (1) BE706433A (en)
DE (1) DE1604502A1 (en)
GB (1) GB1184177A (en)
LU (1) LU54862A1 (en)
NL (1) NL6715514A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017320A1 (en) * 1990-05-07 1991-11-14 Manfred Kahmann Shock absorbing device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991017320A1 (en) * 1990-05-07 1991-11-14 Manfred Kahmann Shock absorbing device
GB2260593A (en) * 1990-05-07 1993-04-21 Manfred Kahmann Shock absorbing device
GB2260593B (en) * 1990-05-07 1994-04-20 Manfred Kahmann Shock absorbing fender
US5409199A (en) * 1990-05-07 1995-04-25 Kahmann; Manfred Shock absorbing fender

Also Published As

Publication number Publication date
NL6715514A (en) 1968-05-17
DE1604502A1 (en) 1970-11-12
BE706433A (en) 1968-03-18
LU54862A1 (en) 1968-02-05

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed