GB1457401A - Coated metal pipe and a method of coating metal pipes - Google Patents

Coated metal pipe and a method of coating metal pipes

Info

Publication number
GB1457401A
GB1457401A GB516175A GB516175A GB1457401A GB 1457401 A GB1457401 A GB 1457401A GB 516175 A GB516175 A GB 516175A GB 516175 A GB516175 A GB 516175A GB 1457401 A GB1457401 A GB 1457401A
Authority
GB
United Kingdom
Prior art keywords
coating
foundation layer
polyoxypropylene
percentages
feb
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
GB516175A
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.)
Evonik Operations GmbH
Original Assignee
TH Goldschmidt 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 TH Goldschmidt AG filed Critical TH Goldschmidt AG
Publication of GB1457401A publication Critical patent/GB1457401A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/02—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B05D7/146—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies to metallic pipes or tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/56—Three layers or more
    • B05D7/58—No clear coat specified
    • B05D7/586—No clear coat specified each layer being cured, at least partially, separately
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • C08L75/08—Polyurethanes from polyethers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2503/00—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
  • Laminated Bodies (AREA)

Abstract

1457401 Polyurethane coating compositions TH GOLDSCHMIDT 6 Feb 1975 [6 Feb 1974] 5161/75 Headings C3R and C3N [Also in Divisions B2 and F2] A curable foundation layer for coating pipes comprises (all percentages are by weight), Polyether based on polyoxypropylene ... 20% Anthracene oil tar (Kraemer-Sarnow softening pt. 25‹ C.) ... ... ... 15% Zeolite (alkaline earth aluminosilicate) in 50% castor oil paste ..... 4À7% Dibutyl tin dilaurate ..... 0À2% Triethylene diamine ..... 0À1% Pyrogenic silica ..... 1À0% Barytes ..... 44% Diphenylmethane diisocyanate ... 15% The foundation layer may be cured at 90‹ C. A curable covering foam composition for coating on the foundation layer comprises (all percentages are by weight), Bentonite/anthracene oil tar water-in-oil emulsion (having a water content of 5%) ..... 15% Castor oil ..... 5% Polyetiier based on polyoxypropylene ... 15% Polyoxyalkylene-polysiloxane block copolymer ... ... ... ... 1À5% Dimethyl piperidine ... ... ... 0À5% Stone powder ... ... ... ... 43% Diphenylmethane diisocyanate ... ... 20%
GB516175A 1974-02-06 1975-02-06 Coated metal pipe and a method of coating metal pipes Expired GB1457401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2405588A DE2405588C3 (en) 1974-02-06 1974-02-06 Process for the external coating of metal pipes with a thermosetting compound based on a polyurethane modified with tar

Publications (1)

Publication Number Publication Date
GB1457401A true GB1457401A (en) 1976-12-01

Family

ID=5906727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB516175A Expired GB1457401A (en) 1974-02-06 1975-02-06 Coated metal pipe and a method of coating metal pipes

Country Status (7)

Country Link
AT (1) AT346142B (en)
BE (1) BE825259A (en)
DE (1) DE2405588C3 (en)
FR (1) FR2259651B1 (en)
GB (1) GB1457401A (en)
IT (1) IT1029465B (en)
NL (1) NL7501257A (en)

Also Published As

Publication number Publication date
DE2405588A1 (en) 1975-08-14
FR2259651B1 (en) 1978-03-17
BE825259A (en) 1975-05-29
IT1029465B (en) 1979-03-10
NL7501257A (en) 1975-08-08
DE2405588B2 (en) 1978-03-02
AT346142B (en) 1978-10-25
DE2405588C3 (en) 1978-10-26
ATA85675A (en) 1978-02-15
FR2259651A1 (en) 1975-08-29

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee