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TW329405B - A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent and the device thereof - Google Patents

A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent and the device thereof

Info

Publication number
TW329405B
TW329405B TW084111761A TW84111761A TW329405B TW 329405 B TW329405 B TW 329405B TW 084111761 A TW084111761 A TW 084111761A TW 84111761 A TW84111761 A TW 84111761A TW 329405 B TW329405 B TW 329405B
Authority
TW
Taiwan
Prior art keywords
carbon dioxide
blowing agent
foam materials
producing foam
component reactive
Prior art date
Application number
TW084111761A
Other languages
Chinese (zh)
Inventor
Althausen Ferdinand
Raffel Reiner
Ebeling Wilfried
Eiben Robert
Original Assignee
Bayer Ag
Hennecke Gmbh Maschf
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, Hennecke Gmbh Maschf filed Critical Bayer Ag
Application granted granted Critical
Publication of TW329405B publication Critical patent/TW329405B/en

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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3469—Cell or pore nucleation
    • B29C44/348—Cell or pore nucleation by regulating the temperature and/or the pressure, e.g. suppression of foaming until the pressure is rapidly decreased
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface

Landscapes

  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent by mixing at least one of the reactive components with carbon dioxide under pressure, mixing the components, at least one of which contains carbon dioxide under pressure, expanding the reactive mixture containing carbon dioxide obtained by mixing, and hardening, which is characterized in that the expansion takes place suddenly with the production of high rates of shear.
TW084111761A 1995-07-05 1995-11-07 A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent and the device thereof TW329405B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995124434 DE19524434A1 (en) 1995-07-05 1995-07-05 Foam prodn. from two component reactive plastics - by mixing with carbon di:oxide under pressure and expanding at high shear rate

Publications (1)

Publication Number Publication Date
TW329405B true TW329405B (en) 1998-04-11

Family

ID=7766044

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084111761A TW329405B (en) 1995-07-05 1995-11-07 A process for producing foam materials from two-component reactive plastics using carbon dioxide as blowing agent and the device thereof

Country Status (2)

Country Link
DE (1) DE19524434A1 (en)
TW (1) TW329405B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI727763B (en) * 2020-04-23 2021-05-11 黃龍勢 Spreading device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10226041A1 (en) * 2002-06-12 2003-12-24 Brugg Rohrsysteme Gmbh Process for the production of a thermally insulated conduit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI727763B (en) * 2020-04-23 2021-05-11 黃龍勢 Spreading device

Also Published As

Publication number Publication date
DE19524434A1 (en) 1997-01-09

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees