IT998002B - Preparazione di polilattidi di elebato peso molecolare - Google Patents

Preparazione di polilattidi di elebato peso molecolare

Info

Publication number
IT998002B
IT998002B IT2389564A IT2389564A IT998002B IT 998002 B IT998002 B IT 998002B IT 2389564 A IT2389564 A IT 2389564A IT 2389564 A IT2389564 A IT 2389564A IT 998002 B IT998002 B IT 998002B
Authority
IT
Italy
Prior art keywords
preparation
molecular weight
high molecular
weight polylactides
polylactides
Prior art date
Application number
IT2389564A
Other languages
English (en)
Italian (it)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT998002B publication Critical patent/IT998002B/it

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L17/00—Materials for surgical sutures or for ligaturing blood vessels ; Materials for prostheses or catheters
    • A61L17/06—At least partially resorbable materials
    • A61L17/10—At least partially resorbable materials containing macromolecular materials
    • A61L17/12—Homopolymers or copolymers of glycolic acid or lactic acid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Surgery (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polyesters Or Polycarbonates (AREA)
IT2389564A 1963-11-08 1964-11-07 Preparazione di polilattidi di elebato peso molecolare IT998002B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32249463A 1963-11-08 1963-11-08

Publications (1)

Publication Number Publication Date
IT998002B true IT998002B (it) 1976-01-20

Family

ID=23255138

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2389564A IT998002B (it) 1963-11-08 1964-11-07 Preparazione di polilattidi di elebato peso molecolare

Country Status (3)

Country Link
DE (1) DE1595085C3 (de)
GB (1) GB1040168A (de)
IT (1) IT998002B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3839297A (en) * 1971-11-22 1974-10-01 Ethicon Inc Use of stannous octoate catalyst in the manufacture of l(-)lactide-glycolide copolymer sutures
NL8702563A (nl) * 1987-10-28 1989-05-16 Cca Biochem B V Polymeer lactide, werkwijze voor het bereiden van een dergelijk polymeer lactide, alsmede een samenstelling, die een dergelijk polymeer lactide bevat.
US6323307B1 (en) 1988-08-08 2001-11-27 Cargill Dow Polymers, Llc Degradation control of environmentally degradable disposable materials
NL9001641A (nl) * 1990-07-19 1992-02-17 Stamicarbon Werkwijze voor het maken van polymere producten van cyclische esters.
US5258488A (en) * 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5142023A (en) * 1992-01-24 1992-08-25 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US6005067A (en) 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247058A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
AU5294893A (en) * 1992-10-02 1994-04-26 Cargill Incorporated A melt-stable lactide polymer fabric and process for manufacture thereof
WO2018127270A1 (en) * 2017-01-04 2018-07-12 Pharmathen S.A. Process for preparing biodegradable polymers of high molecular weight
CN111647144B (zh) * 2019-09-20 2022-08-02 上海浦景化工技术股份有限公司 一种调整聚乙醇酸分子链结构的方法

Also Published As

Publication number Publication date
DE1595085A1 (de) 1970-01-22
DE1595085B2 (de) 1974-02-14
GB1040168A (en) 1966-08-24
DE1595085C3 (de) 1974-09-26

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