Low-formaldehyde ultrathin fiberboard and preparation method thereof
According to the low-formaldehyde ultra-thin fiberboard and the preparation method thereof, the ultra-thin high-density fiberboard which is good in performance and is as thin as 0.8 mm and the density reaches 0.9 g/m < 3 > or above can be obtained. The preparation method comprises the steps th...
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| creator | YU SANTONG DONG RONGDAN MIN DUCK-SU QI ZHICHAO WEI MING |
| description | According to the low-formaldehyde ultra-thin fiberboard and the preparation method thereof, the ultra-thin high-density fiberboard which is good in performance and is as thin as 0.8 mm and the density reaches 0.9 g/m < 3 > or above can be obtained. The preparation method comprises the steps that qualified wood chips are cooked, the cooking pressure ranges from 7.5 bar to 8.0 bar, the cooking temperature ranges from 160 DEG C to 165 DEG C, and the cooking time ranges from 3.5 min to 4.0 min; molten 58 # fully-refined paraffin is added into the cooked wood chips, hot grinding is carried out, and 50-100-mesh wood fibers are obtained; uniformly applying a urea-formaldehyde resin adhesive and an auxiliary agent to the surface of the wood fiber in the drying pipeline; drying the glued wood fibers to obtain a paving material with the moisture content of 6.0%-6.5%; paving the paving material into a continuous plate blank strip, setting the thickness of a target plate to be 0.8 mm, and setting the density of a fiberbo |
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| subjects | APPARATUS THEREFOR FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUTORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTINGOF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL NAILING OR STAPLING MACHINES IN GENERAL PAPER-MAKING PERFORMING OPERATIONS PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS TEXTILES TRANSPORTING WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL |
| title | Low-formaldehyde ultrathin fiberboard and preparation method thereof |
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