RU2067046C1 - Method of wood plastic making - Google Patents

Method of wood plastic making Download PDF

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Publication number
RU2067046C1
RU2067046C1 RU93039326A RU93039326A RU2067046C1 RU 2067046 C1 RU2067046 C1 RU 2067046C1 RU 93039326 A RU93039326 A RU 93039326A RU 93039326 A RU93039326 A RU 93039326A RU 2067046 C1 RU2067046 C1 RU 2067046C1
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Russia
Prior art keywords
wood
wood raw
raw materials
liquid
plastics
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RU93039326A
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Russian (ru)
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RU93039326A (en
Inventor
В.И. Соломатов
В.Д. Черкасов
В.П. Селяев
В.А. Русаков
В.И. Бузулуков
В.В. Ревин
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Соломатов Василий Ильич
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Priority to RU93039326A priority Critical patent/RU2067046C1/en
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Abstract

FIELD: biotechnology. SUBSTANCE: biological destruction of wood raw for wood plastic making is carried out by liquid-phase fermentation method in cultural fluid of lignin-destructing basidiomycetes for 3-4 days at 25-30 C at ratio cultural fluid : wood raw = 10:1. EFFECT: enhanced effectiveness of wood raw destruction. 2 tbl

Description

Изобретение относится к производству строительных материалов и может быть использовано при производстве древесных пластиков на природных клеящих веществах. The invention relates to the production of building materials and can be used in the manufacture of wood plastics on natural adhesives.

Известен способ производства древесных пластиков, включающий сушку древесного сырья, формирование ковра холодной подпрессовкой и горячее прессование (Дворкин Л.И. и др. Строительные материалы из промышленных отходов. Киев: Будивельник, 1980 с. 126). A known method of manufacturing wood plastics, including drying wood raw materials, forming a carpet by cold pressing and hot pressing (Dvorkin LI and other Building materials from industrial waste. Kiev: Budivelnik, 1980, p. 126).

Недостаток данного способа низкая прочность пластиков. The disadvantage of this method is the low strength of plastics.

Наиболее близким по технической сущности и достигаемому результату является способ изготовления древесных пластиков, включающий биологическое разложение древесного сырья, сушку его, формирование ковра холодной подпрессовкой и горячее прессование (Петри В.Н. Вахрушева И.А. Лигноуглеводные древесные пластики. М. Лесная промышленность, 1972). The closest in technical essence and the achieved result is a method of manufacturing wood plastics, including biodegradation of wood raw materials, drying it, forming a carpet by cold pressing and hot pressing (Petri V.N. Vakhrusheva I.A. 1972).

Недостаток данного способа недостаточная прочность пластиков. The disadvantage of this method is the lack of strength of plastics.

Цель изобретения повышение прочности древесных пластиков. The purpose of the invention is to increase the strength of wood plastics.

Сущность изобретения заключается в том, что в способе изготовления древесных пластиков, включающем биологическое разложение древесного сырья, сушку его, формирование ковра холодной подпрессовкой и горячее прессование, биологическое разложение древесного сырья производят методом жидкофазной ферментации в культуральной жидкости лигнинразрушающих базидиомицетов в течение 3 4 сут. при 25 30oC и соотношении культуральная жидкость: древесное сырье 10 1 по массе.The essence of the invention lies in the fact that in a method for the manufacture of wood plastics, including the biological decomposition of wood raw materials, drying it, forming a carpet by cold pressing and hot pressing, the biological decomposition of wood raw materials is carried out by liquid-phase fermentation in a culture liquid of lignin-destructive basidiomycetes for 3 to 4 days. at 25 30 o C and the ratio of the culture fluid: wood raw material 10 1 by weight.

Культуральную жидкость получали глубинной ферментацией лигнинразрушающего гриба P. tigrinus 144 на жидких питательных средах при 30oС до стационарной стадии роста (6 7 сут.). Затем в культуральную жидкость добавляли древесное сырье и ферментировали при 30oС в течение 3 4 сут. Соотношение жидкой и твердой фазы при этом составляло 20 1, 10 1, 5 1. После ферментации древесное сырье сушат до влажности 15% формируют ковер холодной подпрессовкой и подвергают горячему прессованию при 200oС. Физико-механические свойства плит, изготовленных по этой технологии представлены в табл. 1 и 2.The culture fluid was obtained by deep fermentation of the lignin-destructive fungus P. tigrinus 144 on liquid nutrient media at 30 ° C until the stationary stage of growth (6–7 days). Then, wood raw materials were added to the culture liquid and fermented at 30 ° C for 3–4 days. The ratio of liquid and solid phase in this case was 20 1, 10 1, 5 1. After fermentation, the wood raw materials are dried to a moisture content of 15%, the carpet is formed by cold pressing and subjected to hot pressing at 200 o C. The physical and mechanical properties of the plates made by this technology are presented in table 1 and 2.

Таким образом реализация предлагаемого способа позволяет повысить прочность и водостойкость пластиков. ТТТ1 ТТТ2 Thus, the implementation of the proposed method allows to increase the strength and water resistance of plastics. TTT1 TTT2

Claims (1)

Способ изготовления древесных пластиков, включающий биологическое разложение древесного сырья, сушку его, формирование ковра холодной подпрессовкой и горячее прессование, отличающийся тем, что биологическое разложение древесного сырья производят методом жидкофазной ферментации в культуральной жидкости лигнинразрушающих базидиомицетов в течение 3 4 суток при 25 -30oС и соотношении культуральная жидкость древесное сырье 10:1.A method of manufacturing wood plastics, including biological decomposition of wood raw materials, drying them, forming a carpet by cold pressing and hot pressing, characterized in that the biological decomposition of wood raw materials is carried out by liquid-phase fermentation in a culture liquid of lignin-destructive basidiomycetes for 3 to 4 days at 25 -30 o C and the ratio of the cultural fluid of wood raw materials 10: 1.
RU93039326A 1993-08-02 1993-08-02 Method of wood plastic making RU2067046C1 (en)

Priority Applications (1)

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RU93039326A RU2067046C1 (en) 1993-08-02 1993-08-02 Method of wood plastic making

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RU93039326A RU93039326A (en) 1996-07-20
RU2067046C1 true RU2067046C1 (en) 1996-09-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002055722A1 (en) * 2001-01-12 2002-07-18 Innovation Wood (Iwood) Method for producing solid materials from plant material, material produced according to said method, use of the material in addition to a system for carrying out said method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Дворкин Л.И. и др. Строительные материалы из промышленных отходов.- Киев: Будивельник, 1980, с.126. Петри В.Н., Вахрушева И.А. Лигноуглеводные древесные пластики.- М.: Лесная промышленность, 1972, с.49 - 51. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002055722A1 (en) * 2001-01-12 2002-07-18 Innovation Wood (Iwood) Method for producing solid materials from plant material, material produced according to said method, use of the material in addition to a system for carrying out said method

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