ES389914A1 - Procedure for the manufacture of bodies molded by injection of thermoplastic materials and expansion agents. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure for the manufacture of bodies molded by injection of thermoplastic materials and expansion agents. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES389914A1
ES389914A1 ES389914A ES389914A ES389914A1 ES 389914 A1 ES389914 A1 ES 389914A1 ES 389914 A ES389914 A ES 389914A ES 389914 A ES389914 A ES 389914A ES 389914 A1 ES389914 A1 ES 389914A1
Authority
ES
Spain
Prior art keywords
translation
injection
manufacture
machine
legally binding
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
ES389914A
Other languages
Spanish (es)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of ES389914A1 publication Critical patent/ES389914A1/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
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
    • C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

Process for the manufacture of molded bodies by injection of thermoplastic materials and expansion agents, characterized in that a mixture of at least three swelling agents is added to the thermoplastics, each of these swelling agents being decomposed in the presence of the thermoplastic material in a zone of determined temperature and the zones of decomposition temperatures of these swelling agents are partially coated in order to completely cover the zone of temperature suitable for making pieces having both thin and thick parts and this expandable composition it is heated after being injected into a mold. (Machine-translation by Google Translate, not legally binding)
ES389914A 1970-04-06 1971-04-05 Procedure for the manufacture of bodies molded by injection of thermoplastic materials and expansion agents. (Machine-translation by Google Translate, not legally binding) Expired ES389914A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7012380A FR2085283A1 (en) 1970-04-06 1970-04-06 Thermoplastic injection moulding compoundsco

Publications (1)

Publication Number Publication Date
ES389914A1 true ES389914A1 (en) 1973-06-01

Family

ID=9053480

Family Applications (1)

Application Number Title Priority Date Filing Date
ES389914A Expired ES389914A1 (en) 1970-04-06 1971-04-05 Procedure for the manufacture of bodies molded by injection of thermoplastic materials and expansion agents. (Machine-translation by Google Translate, not legally binding)

Country Status (4)

Country Link
BE (1) BE765275A (en)
ES (1) ES389914A1 (en)
FR (1) FR2085283A1 (en)
LU (1) LU62926A1 (en)

Also Published As

Publication number Publication date
FR2085283A1 (en) 1971-12-24
BE765275A (en) 1971-08-30
LU62926A1 (en) 1971-08-26
FR2085283B1 (en) 1973-03-16

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