SE8301491L - Sett att forhindra missfergning av vinylkloridplaster genom tillsats av en fergstabilisator under senkningen av vinylkloridhalten genom uppvermning - Google Patents

Sett att forhindra missfergning av vinylkloridplaster genom tillsats av en fergstabilisator under senkningen av vinylkloridhalten genom uppvermning

Info

Publication number
SE8301491L
SE8301491L SE8301491A SE8301491A SE8301491L SE 8301491 L SE8301491 L SE 8301491L SE 8301491 A SE8301491 A SE 8301491A SE 8301491 A SE8301491 A SE 8301491A SE 8301491 L SE8301491 L SE 8301491L
Authority
SE
Sweden
Prior art keywords
vinyl chloride
weight
carbon atoms
slurry
ferg
Prior art date
Application number
SE8301491A
Other languages
English (en)
Other versions
SE8301491D0 (sv
Inventor
H Sidi
Original Assignee
Tenneco Chem
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 US05/784,998 external-priority patent/US4139697A/en
Application filed by Tenneco Chem filed Critical Tenneco Chem
Publication of SE8301491D0 publication Critical patent/SE8301491D0/sv
Publication of SE8301491L publication Critical patent/SE8301491L/sv

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/006—Removal of residual monomers by chemical reaction, e.g. scavenging

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Claims (2)

Patentkrav t Satt att forhindra missfdrgning av vinylkloridplast i samband med ..,11agsnandet ay vinylklorid ur en vattenhaltig uppslamning, son innehdller 5 - 50 vikt-% av en vinylkloridplast och 100 ppm till 15 000 ppm vinylklorid, varvid uppslamningen uppvarmes vid en temperatur mellan 70°C och 100°C, tills den innehAller mindre dn 10 ppm vinylklorid,kdnnetecknat av att vinylkloridplasten i uppslamningen under uppvdrmningen bringas i kontakt med en med monomer blandbar fdrgstabilisator, son innefattar
1. - 95 vikt-% av en epoxid, vald ur en grupp bestl- ende av vicinala epoxider med 2 till 8 kolatomer, epoxiderade fettsyror med 16 till 18 kolatomer, estrar av dessa epoxiderade fettsyror swat blandningar darav net
2. - 50 vikt-% av en organist peroxid med strukturformeln 00 R - C - 0 - 0 - C - R' ddr R oeh R' vardera betecknar en alkylgrupp med 2 till 12 kolatomer eller en arylgrupp med 6 till 10 kolatorner, i en mdngd av 0,2 - 5 viktdelar av fargstabilisatorn per 100 viktdelar vinylkloridplast i uppslamningen.
SE8301491A 1977-04-06 1983-03-18 Sett att forhindra missfergning av vinylkloridplaster genom tillsats av en fergstabilisator under senkningen av vinylkloridhalten genom uppvermning SE8301491L (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/784,998 US4139697A (en) 1977-04-06 1977-04-06 Color stabilization of vinyl chloride resins
US05/879,416 US4150219A (en) 1977-04-06 1978-02-21 Color stabilization of vinyl chloride resins with peroxides and epoxy compounds

Publications (2)

Publication Number Publication Date
SE8301491D0 SE8301491D0 (sv) 1983-03-18
SE8301491L true SE8301491L (sv) 1983-03-18

Family

ID=27120350

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7803839A SE7803839L (sv) 1977-04-06 1978-04-05 Sett att forhindra missfergning av vinylkloridplaster
SE8301491A SE8301491L (sv) 1977-04-06 1983-03-18 Sett att forhindra missfergning av vinylkloridplaster genom tillsats av en fergstabilisator under senkningen av vinylkloridhalten genom uppvermning

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7803839A SE7803839L (sv) 1977-04-06 1978-04-05 Sett att forhindra missfergning av vinylkloridplaster

Country Status (5)

Country Link
JP (1) JPS53125454A (sv)
DE (1) DE2814731A1 (sv)
FR (1) FR2386560A1 (sv)
GB (1) GB1588991A (sv)
SE (2) SE7803839L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1243440A (en) * 1983-02-24 1988-10-18 Louis M. Maresca Process for treating thermoplastic polymers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141782A (ja) * 1974-10-07 1976-04-08 Denki Kagaku Kogyo Kk Enkabinirukyojugotaiyoekino seiho
JPS607644B2 (ja) * 1976-02-23 1985-02-26 旭化成株式会社 塩化ビニリデン系共重合体樹脂の残存モノマ−の除去法
US4220754A (en) * 1976-05-25 1980-09-02 Tenneco Chemicals, Inc. Process for the purification of polyvinyl chloride with oxidizing agents

Also Published As

Publication number Publication date
DE2814731A1 (de) 1978-10-12
SE7803839L (sv) 1978-10-07
SE8301491D0 (sv) 1983-03-18
GB1588991A (en) 1981-05-07
JPS53125454A (en) 1978-11-01
FR2386560A1 (fr) 1978-11-03

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