FI935964A - Method of stabilizing polyhydroxy acids - Google Patents

Method of stabilizing polyhydroxy acids Download PDF

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Publication number
FI935964A
FI935964A FI935964A FI935964A FI935964A FI 935964 A FI935964 A FI 935964A FI 935964 A FI935964 A FI 935964A FI 935964 A FI935964 A FI 935964A FI 935964 A FI935964 A FI 935964A
Authority
FI
Finland
Prior art keywords
stabilizing
polyhydroxy acids
polyhydroxy
acids
peroxide
Prior art date
Application number
FI935964A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI99124C (en
FI99124B (en
FI935964A0 (en
Inventor
Anders Soedergaord
Johan-Fredrik Selin
Maria Niemi
Original Assignee
Neste Oy
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 Neste Oy filed Critical Neste Oy
Publication of FI935964A0 publication Critical patent/FI935964A0/en
Priority to FI935964A priority Critical patent/FI99124C/en
Priority to FI945264A priority patent/FI99125C/en
Priority to ES95904554T priority patent/ES2128704T3/en
Priority to DE69417265T priority patent/DE69417265T2/en
Priority to AT95904554T priority patent/ATE177768T1/en
Priority to EP95904554A priority patent/EP0737219B1/en
Priority to PCT/FI1994/000586 priority patent/WO1995018169A1/en
Priority to DK95904554T priority patent/DK0737219T3/en
Priority to US08/507,326 priority patent/US6559244B1/en
Publication of FI935964A publication Critical patent/FI935964A/en
Priority to NO19962751A priority patent/NO310921B1/en
Application granted granted Critical
Publication of FI99124B publication Critical patent/FI99124B/en
Publication of FI99124C publication Critical patent/FI99124C/en
Priority to GR990401465T priority patent/GR3030372T3/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Method for stabilizing polyhydroxy-acids, especially polylactic acid by adding, in the melt processing step, 0.05-3 wt-% of a peroxide that forms one or more acid radicals on decomposition.
FI935964A 1993-12-31 1993-12-31 Method of stabilizing polyhydroxy acids FI99124C (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI935964A FI99124C (en) 1993-12-31 1993-12-31 Method of stabilizing polyhydroxy acids
FI945264A FI99125C (en) 1993-12-31 1994-11-09 Polylaktidsammansättning
PCT/FI1994/000586 WO1995018169A1 (en) 1993-12-31 1994-12-29 Processable poly(hydroxy acids)
DE69417265T DE69417265T2 (en) 1993-12-31 1994-12-29 PROCESSABLE POLYLACTIDES
AT95904554T ATE177768T1 (en) 1993-12-31 1994-12-29 PROCESSABLE POLYLACTIDES
EP95904554A EP0737219B1 (en) 1993-12-31 1994-12-29 Processable polylactides
ES95904554T ES2128704T3 (en) 1993-12-31 1994-12-29 PROCESSABLE POLYLACTIDES.
DK95904554T DK0737219T3 (en) 1993-12-31 1994-12-29 Processable polylactides
US08/507,326 US6559244B1 (en) 1993-12-31 1994-12-29 Processable poly(hydroxy acids)
NO19962751A NO310921B1 (en) 1993-12-31 1996-06-28 Workable materials of polylactide and their use
GR990401465T GR3030372T3 (en) 1993-12-31 1999-06-01 Processable poly(hydroxy acids)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI935964A FI99124C (en) 1993-12-31 1993-12-31 Method of stabilizing polyhydroxy acids
FI935964 1993-12-31

Publications (4)

Publication Number Publication Date
FI935964A0 FI935964A0 (en) 1993-12-31
FI935964A true FI935964A (en) 1995-07-01
FI99124B FI99124B (en) 1997-06-30
FI99124C FI99124C (en) 1997-10-10

Family

ID=8539228

Family Applications (1)

Application Number Title Priority Date Filing Date
FI935964A FI99124C (en) 1993-12-31 1993-12-31 Method of stabilizing polyhydroxy acids

Country Status (1)

Country Link
FI (1) FI99124C (en)

Also Published As

Publication number Publication date
FI99124C (en) 1997-10-10
FI99124B (en) 1997-06-30
FI935964A0 (en) 1993-12-31

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