PL446765A1 - Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing - Google Patents

Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing

Info

Publication number
PL446765A1
PL446765A1 PL446765A PL44676523A PL446765A1 PL 446765 A1 PL446765 A1 PL 446765A1 PL 446765 A PL446765 A PL 446765A PL 44676523 A PL44676523 A PL 44676523A PL 446765 A1 PL446765 A1 PL 446765A1
Authority
PL
Poland
Prior art keywords
weight
polylactide
composite
thiopropyl
octa
Prior art date
Application number
PL446765A
Other languages
Polish (pl)
Inventor
Robert Przekop
Bogna Sztorch
Daria Pakuła
Original Assignee
Uniwersytet Im. Adama Mickiewicza W Poznaniu
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 Uniwersytet Im. Adama Mickiewicza W Poznaniu filed Critical Uniwersytet Im. Adama Mickiewicza W Poznaniu
Priority to PL446765A priority Critical patent/PL446765A1/en
Publication of PL446765A1 publication Critical patent/PL446765A1/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
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
    • C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/548—Silicon-containing compounds containing sulfur
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/549—Silicon-containing compounds containing silicon in a ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)

Abstract

Przedmiotem zgłoszenia jest kompozyt na osnowie polilaktydu (PLA) z modyfikatorem okta(3-tiopropylo)silseskwioksanem o znacznie podwyższonej udarności oraz sposób wytwarzania kompozytu na drodze druku 3D. Kompozyt na osnowie polilaktydu (PLA) z modyfikatorem krzemoorganicznym okta(3-tiopropylo)silseskwioksan o znacznie podwyższonej udarności, w którym osnowę stanowi polilaktyd (PLA) w ilości 99,9% wagowych — 95,0% wagowych oraz modyfikator krzemoorganiczny okta(3-tiopropylo)silseskwioksan, będący olejowym produktem kondensacji hydrolitycznej 3-tiopropylotrimetoksysilanu, stanowiący mieszaninę całkowicie skondensowanych struktur klatkowych oraz niecałkowicie skondensowanych silanoli (zwany jako okta(3-tiopropylo)silseskwioksan SSQ-8SH) w ilości 0,1% wagowych – 5,0% wagowych, korzystnie 0,25% wagowych – 5,0% wagowych modyfikatora otrzymywanego metodą druku 3D. Sposób wytwarzania kompozytu na drodze druku 3D, polega na tym, że otrzymywanie kompozytu przebiega dwuetapowo: w pierwszym etapie polilaktyd podgrzewa się powyżej temperatury mięknienia do uzyskania polimeru w stanie uplastycznionym, dalej do 95,00% wagowych polilaktydu dodaje się 5% wagowych modyfikatora krzemoorganicznego okta(3-tiopropylo)silseskwioksanu (SSQ-8SH), następnie polimer wraz z modyfikatorem homogenizuje się do uzyskania jednorodnej do uzyskania koncentratu o stężeniu 5% wagowych modyfikatora krzemoorganicznego, dalej studzi się, granuluje i suszy w podwyższonej temperaturze; w drugim etapie otrzymany granulat rozcieńcza się czystym polimerem polilaktydu (PLA) poprzez dodanie 0,5% wagowych - 50% wagowych koncentratu do 99,5% wagowych - 50% wagowych polilaktydu, dalej składniki miesza się, a następnie przetwarza na drodze druku 3D.The subject of the application is a composite based on polylactide (PLA) with an octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and a method of manufacturing the composite by 3D printing. A composite based on polylactide (PLA) with an organosilicon modifier octa(3-thiopropyl)silsesquioxane with significantly increased impact strength, in which the matrix is polylactide (PLA) in the amount of 99.9% by weight - 95.0% by weight and an organosilicon modifier octa(3-thiopropyl)silsesquioxane, being an oily product of hydrolytic condensation of 3-thiopropyltrimethoxysilane, constituting a mixture of fully condensed cage structures and incompletely condensed silanols (referred to as octa(3-thiopropyl)silsesquioxane SSQ-8SH) in the amount of 0.1% by weight - 5.0% by weight, preferably 0.25% by weight - 5.0% by weight of the modifier obtained by the 3D printing method. The method of producing a composite by 3D printing consists in obtaining the composite in two stages: in the first stage, polylactide is heated above the softening temperature to obtain a polymer in a plasticized state, then 5% by weight of the organosilicon modifier octa(3-thiopropyl)silsesquioxane (SSQ-8SH) is added to 95.00% by weight of polylactide, then the polymer together with the modifier are homogenized until a homogeneous concentrate with a concentration of 5% by weight of the organosilicon modifier is obtained, then it is cooled, granulated and dried at an elevated temperature; in the second stage, the obtained granulate is diluted with pure polylactide polymer (PLA) by adding 0.5% by weight - 50% by weight of the concentrate to 99.5% by weight - 50% by weight of polylactide, then the ingredients are mixed and then processed by 3D printing.

PL446765A 2023-11-17 2023-11-17 Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing PL446765A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL446765A PL446765A1 (en) 2023-11-17 2023-11-17 Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL446765A PL446765A1 (en) 2023-11-17 2023-11-17 Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing

Publications (1)

Publication Number Publication Date
PL446765A1 true PL446765A1 (en) 2025-05-19

Family

ID=95713424

Family Applications (1)

Application Number Title Priority Date Filing Date
PL446765A PL446765A1 (en) 2023-11-17 2023-11-17 Composite based on polylactide (PLA) with octa(3-thiopropyl)silsesquioxane modifier with significantly increased impact strength and method of manufacturing the composite by 3D printing

Country Status (1)

Country Link
PL (1) PL446765A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090084144A (en) * 2008-01-31 2009-08-05 금오공과대학교 산학협력단 Polymer PLA / POSS-PLA containing POSS-PLA and its manufacturing method
PL431294A1 (en) * 2019-09-27 2021-04-06 Politechnika Poznańska Method of modifying polylactide and its composites using siloxane-silsesquioxane resins
CN115386209A (en) * 2022-08-17 2022-11-25 万华化学（宁波）有限公司 Long-acting odor-retaining PLA wire applied to the field of 3D printing, and preparation method and application thereof
CN116144149A (en) * 2021-11-19 2023-05-23 北京工商大学 A polylactic acid-based biodegradable material with balanced rigidity and toughness and its preparation method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090084144A (en) * 2008-01-31 2009-08-05 금오공과대학교 산학협력단 Polymer PLA / POSS-PLA containing POSS-PLA and its manufacturing method
PL431294A1 (en) * 2019-09-27 2021-04-06 Politechnika Poznańska Method of modifying polylactide and its composites using siloxane-silsesquioxane resins
CN116144149A (en) * 2021-11-19 2023-05-23 北京工商大学 A polylactic acid-based biodegradable material with balanced rigidity and toughness and its preparation method
CN115386209A (en) * 2022-08-17 2022-11-25 万华化学（宁波）有限公司 Long-acting odor-retaining PLA wire applied to the field of 3D printing, and preparation method and application thereof

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