IT1043738B - Espanso di politsocianato aventi cellette isotropiche e metodo e apparecchio per ottenerlo - Google Patents

Espanso di politsocianato aventi cellette isotropiche e metodo e apparecchio per ottenerlo

Info

Publication number
IT1043738B
IT1043738B IT28796/75A IT2879675A IT1043738B IT 1043738 B IT1043738 B IT 1043738B IT 28796/75 A IT28796/75 A IT 28796/75A IT 2879675 A IT2879675 A IT 2879675A IT 1043738 B IT1043738 B IT 1043738B
Authority
IT
Italy
Prior art keywords
polythocyanate
foam
isotropic cells
isotropic
cells
Prior art date
Application number
IT28796/75A
Other languages
English (en)
Italian (it)
Original Assignee
Nihon Soelan Chemical And Engi
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 Nihon Soelan Chemical And Engi filed Critical Nihon Soelan Chemical And Engi
Application granted granted Critical
Publication of IT1043738B publication Critical patent/IT1043738B/it

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
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
IT28796/75A 1975-09-12 1975-10-29 Espanso di politsocianato aventi cellette isotropiche e metodo e apparecchio per ottenerlo IT1043738B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111453A JPS5848338B2 (ja) 1975-09-12 1975-09-12 トウホウセイキホウオユウスルポリイソシアネ−トケイハツポウタイノセイゾウホウホウ ナラビニ ソノソウチ

Publications (1)

Publication Number Publication Date
IT1043738B true IT1043738B (it) 1980-02-29

Family

ID=14561594

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28796/75A IT1043738B (it) 1975-09-12 1975-10-29 Espanso di politsocianato aventi cellette isotropiche e metodo e apparecchio per ottenerlo

Country Status (6)

Country Link
JP (1) JPS5848338B2 (fr)
CA (1) CA1048699A (fr)
DE (1) DE2547549C3 (fr)
FR (1) FR2323518A1 (fr)
GB (1) GB1505286A (fr)
IT (1) IT1043738B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104346A (en) * 1976-07-29 1978-08-01 The Upjohn Company Process for molding a substantially isotropic isocyanate-based polymer foam bun
DE2929165C2 (de) * 1979-07-19 1981-12-24 Röhm GmbH, 6100 Darmstadt Verfahren zur Herstellung einer Schaumstoffplatte
JPS63160809A (ja) * 1986-12-25 1988-07-04 Human Ind Corp ウレタンフオ−ムスラブのバツチ式発泡装置
DE102008007078B3 (de) * 2008-01-31 2009-05-28 Bayer Materialscience Ag Verfahren und Vorrichtung zur Herstellung von Blockschaumstoff

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250060A (en) * 1975-10-20 1977-04-21 Kyowa Shinku Gijutsu Kk Vacuum defreezing process for freezed substance and its apparatus

Also Published As

Publication number Publication date
JPS5235296A (en) 1977-03-17
DE2547549A1 (de) 1977-03-24
DE2547549B2 (de) 1978-09-21
JPS5848338B2 (ja) 1983-10-27
AU8596475A (en) 1977-05-19
FR2323518A1 (fr) 1977-04-08
CA1048699A (fr) 1979-02-13
GB1505286A (en) 1978-03-30
FR2323518B1 (fr) 1979-04-06
DE2547549C3 (de) 1979-05-10

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