GB1150790A - Improving the Uniformity in Thickness of Polyamide Films - Google Patents

Improving the Uniformity in Thickness of Polyamide Films

Info

Publication number
GB1150790A
GB1150790A GB47450/67A GB4745067A GB1150790A GB 1150790 A GB1150790 A GB 1150790A GB 47450/67 A GB47450/67 A GB 47450/67A GB 4745067 A GB4745067 A GB 4745067A GB 1150790 A GB1150790 A GB 1150790A
Authority
GB
United Kingdom
Prior art keywords
film
imide
precursor
thickness
gel
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
GB47450/67A
Other languages
English (en)
Inventor
Lloyd William Crawford
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1150790A publication Critical patent/GB1150790A/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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
GB47450/67A 1966-10-19 1967-10-18 Improving the Uniformity in Thickness of Polyamide Films Expired GB1150790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58765466A 1966-10-19 1966-10-19

Publications (1)

Publication Number Publication Date
GB1150790A true GB1150790A (en) 1969-04-30

Family

ID=24350659

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47450/67A Expired GB1150790A (en) 1966-10-19 1967-10-18 Improving the Uniformity in Thickness of Polyamide Films

Country Status (8)

Country Link
US (1) US3422546A (enExample)
BE (1) BE705288A (enExample)
CH (1) CH494802A (enExample)
DE (1) DE1704930A1 (enExample)
GB (1) GB1150790A (enExample)
LU (1) LU54690A1 (enExample)
NL (1) NL6714066A (enExample)
SE (1) SE315127B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6361030A (ja) * 1986-09-01 1988-03-17 Kanegafuchi Chem Ind Co Ltd ポリイミドフイルム及びその製造法
TWI346612B (en) * 2004-06-18 2011-08-11 Fujifilm Corp Polymer film, solution casting method and apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179614A (en) * 1961-03-13 1965-04-20 Du Pont Polyamide-acids, compositions thereof, and process for their preparation
US3161482A (en) * 1961-02-27 1964-12-15 Midland Ross Corp Fluid distributing apparatus for material treating
US3153683A (en) * 1961-10-04 1964-10-20 Du Pont Flame treatment of polyvinyl fluoride film
US3359643A (en) * 1965-03-22 1967-12-26 Cons Papers Inc Production of paper
FR1478074A (enExample) * 1965-04-29 1967-07-10

Also Published As

Publication number Publication date
BE705288A (enExample) 1968-04-18
DE1704930A1 (de) 1971-06-03
CH494802A (de) 1970-08-15
SE315127B (enExample) 1969-09-22
NL6714066A (enExample) 1968-04-22
LU54690A1 (enExample) 1968-05-08
US3422546A (en) 1969-01-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees