FR2205586A1 - Processing PVC polystyrene or ABS compsn. - contg. cellulosic filler, using volatile base to prevent corrosion of appts. - Google Patents

Processing PVC polystyrene or ABS compsn. - contg. cellulosic filler, using volatile base to prevent corrosion of appts.

Info

Publication number
FR2205586A1
FR2205586A1 FR7339239A FR7339239A FR2205586A1 FR 2205586 A1 FR2205586 A1 FR 2205586A1 FR 7339239 A FR7339239 A FR 7339239A FR 7339239 A FR7339239 A FR 7339239A FR 2205586 A1 FR2205586 A1 FR 2205586A1
Authority
FR
France
Prior art keywords
appts
contg
polystyrene
prevent corrosion
volatile base
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.)
Granted
Application number
FR7339239A
Other languages
French (fr)
Other versions
FR2205586B1 (en
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.)
Sonesson Plast AB
Original Assignee
Sonesson Plast AB
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
Priority claimed from SE14242/72A external-priority patent/SE368793B/xx
Application filed by Sonesson Plast AB filed Critical Sonesson Plast AB
Publication of FR2205586A1 publication Critical patent/FR2205586A1/en
Application granted granted Critical
Publication of FR2205586B1 publication Critical patent/FR2205586B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L57/00—Compositions of unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2511/00—Use of natural products or their composites, not provided for in groups B29K2401/00 - B29K2509/00, as filler
    • B29K2511/14—Wood, e.g. woodboard or fibreboard

Abstract

PVC, polystyrene or ABS compsns. contg. a cellulosic filler, e.g. sawdust, are extruded or injection moulded in the presence of a gaseous alkaline cpd. (urea, NH4SO4 or an amine) to prevent corrosion of the appts. by the acid gas (acetic acid) generated by the filler during mixing.
FR7339239A 1972-11-03 1973-11-05 Processing PVC polystyrene or ABS compsn. - contg. cellulosic filler, using volatile base to prevent corrosion of appts. Granted FR2205586A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE14242/72A SE368793B (en) 1972-11-03 1972-11-03
SE1245772 1972-12-01

Publications (2)

Publication Number Publication Date
FR2205586A1 true FR2205586A1 (en) 1974-05-31
FR2205586B1 FR2205586B1 (en) 1976-10-01

Family

ID=26655886

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7339239A Granted FR2205586A1 (en) 1972-11-03 1973-11-05 Processing PVC polystyrene or ABS compsn. - contg. cellulosic filler, using volatile base to prevent corrosion of appts.

Country Status (1)

Country Link
FR (1) FR2205586A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413205A1 (en) * 1977-12-29 1979-07-27 Oreal Moulding polypropylene and sawdust blends after slight overheating - to produce mouldings with dark streaks resembling grained wood

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413205A1 (en) * 1977-12-29 1979-07-27 Oreal Moulding polypropylene and sawdust blends after slight overheating - to produce mouldings with dark streaks resembling grained wood

Also Published As

Publication number Publication date
FR2205586B1 (en) 1976-10-01

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Legal Events

Date Code Title Description
ST Notification of lapse