SU391950A1 - LIBRARY K. P. Schwalbe, I. O. Ozolin, M. R. Chakste, F. A. Snyutsins, M. M. Dudins, I. M. Karlson, and D. E. Truksne - Google Patents
LIBRARY K. P. Schwalbe, I. O. Ozolin, M. R. Chakste, F. A. Snyutsins, M. M. Dudins, I. M. Karlson, and D. E. TruksneInfo
- Publication number
- SU391950A1 SU391950A1 SU1800956A SU1800956A SU391950A1 SU 391950 A1 SU391950 A1 SU 391950A1 SU 1800956 A SU1800956 A SU 1800956A SU 1800956 A SU1800956 A SU 1800956A SU 391950 A1 SU391950 A1 SU 391950A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- truksne
- snyutsins
- dudins
- chakste
- ozolin
- Prior art date
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
Description
1one
Изобретение относитс К области изготовлени плит из древесных частиц, например из древесных солокон или стружки, и может быть применено в деревообрабатывающей промышленности.The invention relates to the manufacture of wood particle boards, for example wood solokon or wood chips, and can be applied in the woodworking industry.
Известны способы изготовлени плит, обладающих водостойкостью, из предварительно модифицированных древесных частиц, например древесных волокон, путем их прессовани .Methods are known for producing water-resistant boards from pre-modified wood particles, for example wood fibers, by pressing them.
Цель изобретени - повышение био- и водостойкости плит.The purpose of the invention is to increase the bio-and water resistance of the plates.
Достигаетс это тем, что древесные волокна Предварительно модифицируют жидким уксусным ангидридом при 80-125° в течение 1-10 час, а Процесс прессовани осуществл ют при давлении 25-300 кг/см, 105-200°С в течение 1-7 мин.This is achieved by the fact that wood fibers are pre-modified with liquid acetic anhydride at 80-125 ° for 1-10 hours, and the pressing process is carried out at a pressure of 25-300 kg / cm, 105-200 ° C for 1-7 minutes.
Осуществл ют способ следующим образом.Carry out the method as follows.
Древесные частицы обрабатывают уксусным ангидридом прл температуре ацерилировани волокна 80-125°С в течение :1-10 час. Затем ацетилированное волокно сушат в течение 8-10 час. Процесс прессовани плитThe wood particles are treated with acetic anhydride at a fiber acetylene temperature of 80-125 ° C for: 1-10 hours. Then acetylated fiber is dried for 8-10 hours. Plate pressing process
осуществл ют при следующих режимах: Давление 25-300 кг/см, температура 105-200°С, врем прессовани 1-7 мин. Полученные плиты обладают следуюихимиcarried out under the following conditions: Pressure 25-300 kg / cm, temperature 105-200 ° C, pressing time 1-7 minutes. The resulting plates have the following
показател ми влагостойкости: линейное разбухание в % по толщине (ГОСТ 10634-63) 5, водопоглощение (ГОСТ 10653-63) 30% и биологической устойчивостью против воздействи Coniophora cerebella; так например,moisture resistance indicators: linear swelling in% in thickness (GOST 10634-63) 5, water absorption (GOST 10653-63) 30% and biological resistance against exposure to Coniophora cerebella; for example,
при степени ацетилировани 20,9-33,0% пр оисходит изменение веса образцов в результате биологической нроверми -0,8 до +4,7%.At a degree of acetylation of 20.9-33.0%, there is a change in the weight of the samples as a result of the biological rover -0.8 to + 4.7%.
Предмет изобретени Subject invention
Способ изготовлени плит из предварительно модифицированных древесных частиц, например древесных волокон, путем их прессовани , отличающийс тем, что, с целью новыщени их био- и водостойкости, древесныеA method of manufacturing boards of pre-modified wood particles, for example wood fibers, by pressing them, characterized in that, in order to increase their bio- and water resistance, wood
волокна предварительно модифицируют жидким уксусным ангидридом при 80-125°С в течение 1-.10 час, а процесс прессовани осуществл ют при давлении 25-300 кг/см, 105-200°С в течение Л-7 мин.the fibers are pre-modified with liquid acetic anhydride at 80-125 ° C for 1-10 hours, and the pressing process is carried out at a pressure of 25-300 kg / cm, 105-200 ° C for L-7 minutes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1800956A SU391950A1 (en) | 1972-06-26 | 1972-06-26 | LIBRARY K. P. Schwalbe, I. O. Ozolin, M. R. Chakste, F. A. Snyutsins, M. M. Dudins, I. M. Karlson, and D. E. Truksne |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1800956A SU391950A1 (en) | 1972-06-26 | 1972-06-26 | LIBRARY K. P. Schwalbe, I. O. Ozolin, M. R. Chakste, F. A. Snyutsins, M. M. Dudins, I. M. Karlson, and D. E. Truksne |
Publications (1)
Publication Number | Publication Date |
---|---|
SU391950A1 true SU391950A1 (en) | 1973-07-27 |
Family
ID=20519060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1800956A SU391950A1 (en) | 1972-06-26 | 1972-06-26 | LIBRARY K. P. Schwalbe, I. O. Ozolin, M. R. Chakste, F. A. Snyutsins, M. M. Dudins, I. M. Karlson, and D. E. Truksne |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU391950A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0063160A1 (en) * | 1980-12-05 | 1982-10-27 | United States Gypsum Co | Thermoplastic hardboard from acetylated mat. |
US4418101A (en) | 1980-12-05 | 1983-11-29 | United States Gypsum Company | Method of making thermoplastic hardboard from acetylated mat |
-
1972
- 1972-06-26 SU SU1800956A patent/SU391950A1/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0063160A1 (en) * | 1980-12-05 | 1982-10-27 | United States Gypsum Co | Thermoplastic hardboard from acetylated mat. |
US4388378A (en) | 1980-12-05 | 1983-06-14 | United States Gypsum Company | Thermoplastic hardboard from acetylated mat |
US4418101A (en) | 1980-12-05 | 1983-11-29 | United States Gypsum Company | Method of making thermoplastic hardboard from acetylated mat |
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