PL441129A1 - Method for repeated processing of products made of biodegradable thermoplastic composite - Google Patents

Method for repeated processing of products made of biodegradable thermoplastic composite

Info

Publication number
PL441129A1
PL441129A1 PL441129A PL44112922A PL441129A1 PL 441129 A1 PL441129 A1 PL 441129A1 PL 441129 A PL441129 A PL 441129A PL 44112922 A PL44112922 A PL 44112922A PL 441129 A1 PL441129 A1 PL 441129A1
Authority
PL
Poland
Prior art keywords
products made
thermoplastic composite
repeated processing
biodegradable thermoplastic
biodegradable
Prior art date
Application number
PL441129A
Other languages
Polish (pl)
Other versions
PL244883B1 (en
Inventor
Grzegorz Janowski
Wiesław Frącz
Łukasz Bąk
Original Assignee
Politechnika Rzeszowska im. Ignacego Łukasiewicza
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 Politechnika Rzeszowska im. Ignacego Łukasiewicza filed Critical Politechnika Rzeszowska im. Ignacego Łukasiewicza
Priority to PL441129A priority Critical patent/PL244883B1/en
Publication of PL441129A1 publication Critical patent/PL441129A1/en
Publication of PL244883B1 publication Critical patent/PL244883B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L97/00—Compositions of lignin-containing materials
    • C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)

Abstract

Przedmiotem zgłoszenia jest sposób wielokrotnego przetwarzania wyrobów z biodegradowalnego kompozytu termoplastycznego. Sposób według wynalazku charakteryzuje się tym, że wyrób z biodegradowalnego kompozytu zawierającego od 55 do 85 cz. wag. poli(kwasu 3-hydroksymasłowego-co-3-hydroksywalerianowego) oraz od 15 do 45 cz. wag. napełniacza w postaci włókien konopnych mieli się, po czym uzyskany regranulat suszy się, a następnie uplastycznia się w temperaturze od 175°C do 190°C oraz wytwarza się nowy wyrób.The subject of the application is a method for repeated processing of products made of a biodegradable thermoplastic composite. The method according to the invention is characterized by the fact that the product is made of a biodegradable composite containing from 55 to 85 parts. weight poly(3-hydroxybutyric acid-co-3-hydroxyvaleric acid) and from 15 to 45 parts. weight filler in the form of hemp fibers is ground, then the obtained regranulate is dried and then plasticized at a temperature of 175°C to 190°C and a new product is produced.

PL441129A 2022-05-09 2022-05-09 Method for repeated processing of products made of biodegradable thermoplastic composite PL244883B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL441129A PL244883B1 (en) 2022-05-09 2022-05-09 Method for repeated processing of products made of biodegradable thermoplastic composite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL441129A PL244883B1 (en) 2022-05-09 2022-05-09 Method for repeated processing of products made of biodegradable thermoplastic composite

Publications (2)

Publication Number Publication Date
PL441129A1 true PL441129A1 (en) 2023-11-13
PL244883B1 PL244883B1 (en) 2024-03-18

Family

ID=88789818

Family Applications (1)

Application Number Title Priority Date Filing Date
PL441129A PL244883B1 (en) 2022-05-09 2022-05-09 Method for repeated processing of products made of biodegradable thermoplastic composite

Country Status (1)

Country Link
PL (1) PL244883B1 (en)

Also Published As

Publication number Publication date
PL244883B1 (en) 2024-03-18

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