GB1498466A - Process for the production of crack-free precision mouldings - Google Patents

Process for the production of crack-free precision mouldings

Info

Publication number
GB1498466A
GB1498466A GB1866675A GB1866675A GB1498466A GB 1498466 A GB1498466 A GB 1498466A GB 1866675 A GB1866675 A GB 1866675A GB 1866675 A GB1866675 A GB 1866675A GB 1498466 A GB1498466 A GB 1498466A
Authority
GB
United Kingdom
Prior art keywords
per cent
crack
mouldings
resin
thermoplasts
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
GB1866675A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB1498466A publication Critical patent/GB1498466A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132—Chemical colour-forming components; Additives or binders therefor
    • B41M5/136—Organic colour formers, e.g. leuco dyes
    • B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C2045/468—Means for plasticising or homogenising the moulding material or forcing it into the mould using a fluid as directly acting injection means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Organic Insulating Materials (AREA)
  • Insulators (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
GB1866675A 1974-05-11 1975-05-05 Process for the production of crack-free precision mouldings Expired GB1498466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742422888 DE2422888A1 (de) 1974-05-11 1974-05-11 Verfahren zur herstellung rissfreier und massgerechter formkoerper

Publications (1)

Publication Number Publication Date
GB1498466A true GB1498466A (en) 1978-01-18

Family

ID=5915279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1866675A Expired GB1498466A (en) 1974-05-11 1975-05-05 Process for the production of crack-free precision mouldings

Country Status (8)

Country Link
AT (2) AT349208B (fr)
BE (1) BE828881A (fr)
CH (1) CH603343A5 (fr)
DE (1) DE2422888A1 (fr)
ES (1) ES437540A1 (fr)
FR (1) FR2279537A1 (fr)
GB (1) GB1498466A (fr)
NL (1) NL7505493A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3469531D1 (en) * 1983-09-15 1988-04-07 Ciba Geigy Ag 5- and 6-azaphthalides, their mixture of isomers, process for their production and their use in recording materials which are sensitive to pressure and heat
US4652596A (en) * 1985-09-09 1987-03-24 Formica Corporation Thermosetting resin casting process, product and device
DE4114249A1 (de) * 1991-05-02 1992-11-05 Basf Ag Verfahren zur herstellung von schwundfreien formteilen aus ungesaettigten polyesterharzen
DE10065162C1 (de) * 2000-12-23 2002-06-13 Ckt Kunststoffverarbeitungstec Verfahren zum Spritzgießen von Formteilen aus Kunststoffen

Also Published As

Publication number Publication date
FR2279537A1 (fr) 1976-02-20
ES437540A1 (es) 1977-01-16
AT354475B (de) 1978-08-15
FR2279537B1 (fr) 1979-03-30
AT349208B (de) 1979-03-26
ATA354475A (de) 1978-08-15
CH603343A5 (fr) 1978-08-15
BE828881A (fr) 1975-11-10
NL7505493A (nl) 1975-11-13
ATA20377A (de) 1979-06-15
DE2422888A1 (de) 1975-12-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee