RU2018106892A - Способ изготовления древесных композиционных материалов, а также получаемые этим способом древесные композиционные материалы - Google Patents
Способ изготовления древесных композиционных материалов, а также получаемые этим способом древесные композиционные материалы Download PDFInfo
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- wood
- resin
- hmf
- lignocellulose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
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- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B27N3/002—Manufacture of substantially flat articles, e.g. boards, from particles or fibres characterised by the type of binder
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- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
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- B32B21/02—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board the layer being formed of fibres, chips, or particles, e.g. MDF, HDF, OSB, chipboard, particle board, hardboard
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- C08G12/043—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with at least two compounds covered by more than one of the groups C08G12/06 - C08G12/24
- C08G12/046—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with at least two compounds covered by more than one of the groups C08G12/06 - C08G12/24 one being urea or thiourea
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- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
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Claims (19)
1. Способ изготовления древесных композиционных материалов, включающий стадии:
- получения термически отверждаемой смолы, для чего способное к поликонденсации фенольное соединение и/или образующее аминопласт соединение вводится в реакцию с 5-гидроксиметилфурфуролом (HMF) в приводящих к образованию продуктов поликонденсации условиях,
- приведения смолы в контакт с содержащим лигноцеллюлозу материалом, и
- отверждения смолы с образованием древесного композиционного материала,
отличающийся тем, что 5-гидроксиметилфурфурол включает по меньшей мере один HMF-олигомер.
2. Способ по п.1, отличающийся тем, что реакция для приготовления смол проводится при температурах в диапазоне от 40°С до 140°С.
3. Способ по одному из предшествующих пунктов, отличающийся тем, что содержание HMF-олигомера, в расчете на общее количество используемого HMF, составляет от 0,05 вес.% до 10 вес.%.
4. Способ по одному из предшествующих пунктов, отличающийся тем, что HMF-олигомер имеет от 2 до 20 структурных единиц.
5. Способ по одному из предшествующих пунктов, отличающийся тем, что HMF-олигомер представляет собой связанный через атом углерода HMF-олигомер.
6. Способ по одному из предшествующих пунктов, отличающийся тем, что способное к поликонденсации фенольное соединение представляет собой фенол, лигнин, производное из лигнина фенольное соединение, резорцин, гидрохинон, гидроксигидрохинон, пирокатехин, флороглюцин, или смесь по меньшей мере двух этих соединений.
7. Способ по одному из предшествующих пунктов, отличающийся тем, что образующее аминопласт соединение представляет собой мочевину, меламин, замещенный меламин, замещенную мочевину, ацетилендикарбамид, гуанидин, тиомочевину, производное тиомочевины, диаминоалкан, диамидоалкан, или смесь по меньшей мере двух этих образующих аминопласты соединений.
8. Способ по одному из предшествующих пунктов, отличающийся тем, что стадия приготовления проводится в растворе до тех пор, пока раствор не достигнет желательной вязкости, или не завершится реакция.
9. Способ по одному из предшествующих пунктов, отличающийся тем, что способ включает по меньшей мере одну дополнительную стадию, в которой для стадии приготовления предварительно готовится 5-гидроксиметилфурфурол, который включает по меньшей мере один HMF-олигомер.
10. Способ по п.9, отличающийся тем, что 5-гидроксиметилфурфурол получается обработкой в условиях гидротермального процесса водной суспензии содержащей целлюлозу биомассы, и/или водного раствора углевода, в котором имеется по меньшей мере одна гексоза, и/или водного раствора 5-гидроксиметилфурфурола.
11. Способ по одному из предшествующих пунктов, отличающийся тем, что содержащий лигноцеллюлозу материал, который приводится в контакт со смолой, включает древесные стружки, древесные волокна, древесные опилки, древесную щепу, кусочки древесины, древесные бруски, древесные пластинки и пластины, а также их смеси.
12. Способ по одному из предшествующих пунктов, отличающийся тем, что содержащий лигноцеллюлозу материал приводится в контакт с количеством смолы от 2 вес.% до 20 вес.%, предпочтительно с количеством от 5 вес.% до 15 вес.%, в расчете на вес сухого содержащего лигноцеллюлозу материала.
13. Способ по одному из предшествующих пунктов, отличающийся тем, что отверждение смолы включает прессование содержащего лигноцеллюлозу материала со смолой.
14. Древесный композиционный материал, получаемый способом по одному из пп. 1-13.
15. Древесный композиционный материал по п.14, отличающийся тем, что древесный композиционный материал представляет собой фанерные, древесноволокнистые композитные, древесностружечные или многослойные плиты с прочностью внутреннего связывания (IB) ≥0,35 Н/мм2, определяемой согласно стандарту NF EN 319 (AFNOR 1993).
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CN117377708A (zh) | 2021-05-26 | 2024-01-09 | 利格朗木业技术公司 | 改性氨基塑料粘合树脂、其制备过程和使用该改性氨基塑料粘合树脂制备的复合材料 |
CN113801523B (zh) * | 2021-08-25 | 2022-06-03 | 安捷包装(苏州)股份有限公司 | 基于绿色环保的胶木箱用长纤维复合板的制备工艺 |
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US2776948A (en) * | 1953-08-03 | 1957-01-08 | Dendrol Inc | Synthetic resins derived from hydroxymethylfurfural and phenols |
US4524164A (en) * | 1983-12-02 | 1985-06-18 | Chemical Process Corporation | Thermosetting adhesive resins |
RU2202574C2 (ru) * | 1999-11-29 | 2003-04-20 | Салин Борис Николаевич | Пресс-композиция для изготовления древесно-стружечных плит и способ получения древесно-стружечных плит на основе пресс-композиции |
US20080207795A1 (en) * | 2007-01-19 | 2008-08-28 | Henry Colleen M | Binder Formulations Utilizing Furanic Components |
EP2164883B1 (en) * | 2007-07-05 | 2013-09-25 | Knauf Insulation | Hydroxymonocarboxylic acid-based maillard binder |
US9156802B2 (en) * | 2011-12-13 | 2015-10-13 | Basf Se | Separating off 5-hydroxymethylfurfural (HMF) from reaction solutions by steam distillation |
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