METHOD FOR OBTAINING PRODUCTS FROM WOOD-POLYMER COMPOSITES Russian patent published in 2022 - IPC B29C48/00 

Abstract RU 2781265 C1

FIELD: molded products manufacture.

SUBSTANCE: invention relates to a technology for the manufacture of molded products from wood-polymer composites (WPC) by extrusion. The method includes the stage of mixing and drying WPC components using a mixer, further extrusion of molded products using a twin screw extruder at a temperature of 160-180°C, subsequent calibration and cutting of the profile coming out of the twin screw extruder into products, after mixing and drying the WPC components, agglomeration of the wood-polymer mixture using a granulator press at a temperature of the mixture supplied to the granulator press 75-90°C, humidity 1.0-5.0 wt. % and pressure 40-80 MPa.

EFFECT: invention provides an increase in productivity and operational characteristics of finished products on single-stage extrusion lines for the production of molded products from WPC.

1 cl, 1 tbl, 5 ex

Similar patents RU2781265C1

Title Year Author Number
WOOD-POLYMER COMPOSITION FOR SHAPED AND LINEAR ARTICLES 2012
  • An En Dok
  • Afanas'Ev Fedor Ignat'Evich
  • Fatkullin Rail' Nailevich
  • Nafikova Rajlja Faatovna
  • Fedotova Irina Nikolaevna
  • Asfandijarov Radik Nurfaizovich
RU2530356C2
METHOD OF PRODUCING FIRE-RESISTANT WOOD-POLYMER COMPOSITES BASED ON SECONDARY POLYOLEFINS 2016
  • Bedanokov Azamat Yurevich
  • Beshtoev Betal Zaurbekovich
  • Shoranova Lyana Olegovna
  • Lednev Oleg Borisovich
RU2703539C2
POLYVINYL CHLORIDE-BASED WOOD-POLYMER COMPOSITION FOR PROFILED-TRIM MOULDING ARTICLES 2009
  • An En Dok
  • Afanas'Ev Fedor Ignat'Evich
  • Fatkullin Rail' Nailevich
  • Vinogradov Aleksej Valer'Evich
  • Nafikova Rajlja Faatovna
  • Mazina Ljudmila Aleksandrovna
  • Terent'Ev Andrej Nikolaevich
  • Fedotova Irina Nikolaevna
RU2436816C2
POLYMER COMPOSITION 2014
  • Vodjakov Vladimir Nikolaevich
  • Kuzmin Anton Mikhajlovich
  • Oshina Tatjana Vasilevna
RU2580699C1
METHOD OF PRODUCING POLYMER COMPOSITION 2011
  • Galeev Marat Mukhamadeevich
  • Israfilov Zagir Khusnimardanovich
RU2506283C2
LIGNOCELLULOSE POLYMER COMPOSITE MATERIAL 2015
  • Reutov Vladimir Alekseevich
  • Lim Lyubov Andreevna
  • Zabolotnaya Anna Mikhajlovna
  • Makeich Darya Anatolevna
RU2595655C1
ENVIRONMENTALLY APPROPRIATE WOOD-FILLED PLASTIC AND METHOD OF PREPARATION THEREOF 1995
  • Zhdanova T.D.
  • Mironov V.S.
  • Kotashevskaja G.V.
  • Korshun O.A.
  • Bykova O.N.
RU2081135C1
METHOD OF MAKING ARTICLES FROM LIGNOCELLULOSE POLYMER COMPOSITE MATERIALS 2015
  • Reutov Vladimir Alekseevich
  • Lim Ljubov Andreevna
  • Zabolotnaja Anna Mikhajlovna
  • Prishchenko Natalja Aleksandrovna
RU2582498C1
METHOD FOR PRODUCING SHAPED AND LINEAR POLYSTYRENE ARTICLES 2023
  • Suvorov Evgenii Olegovich
RU2812133C1
METHOD FOR PROCESSING COMPOSITIONS BASED ON THERMOPLASTIC RESINS 2022
  • Ignatenko Aleksandr Vasilevich
  • Petukhov Mikhail Valerievich
  • Afonin Nikita Aleksandrovich
  • Presman Galina Viktorovna
  • Semochkin Andrei Iurevich
  • Semochkin Iurii Aleksandrovich
RU2796828C1

RU 2 781 265 C1

Authors

Shkuro Aleksei Evgenevich

Glukhikh Viktor Vladimirovich

Zakharov Pavel Sergeevich

Krivonogov Pavel Sergeevich

Dates

2022-10-11Published

2022-03-22Filed