wood modification and weathering and erosion

some surface properties of thermally modified . - Semantic Scholar

Keywords:Scots pine, thermal modification, artificial weathering, surface roughness, . thermal modification of wood has been known as a process enhancing wood ... Effect of grafted UV stabilizers on wood surface erosion and clear coating.【Get Price】

Chemical Modification of Wood - Forest Products Laboratory - USDA .

modification of wood can be defined as a chemical reaction between some ... Weight loss and erosion of acetylated aspen after 700 h accelerated weathering.【Get Price】

Acetylation of Wood - American Chemical Society

foundation, the science of chemical modification of wood was born. While there ... 700 Hours of Accelerated Weathering. WPG. Weight. Loss in. Erosion. (%/hr).【Get Price】

Weathering of chemically modified wood surfaces | SpringerLink

Scots pine wood veneers were acetylated to weight gains of 5, 10, 15 or 20% and . Weathering of chemically modified wood surfaces . radial orientation during exterior exposure, but acetylation did not prevent erosion of the middle lamella.【Get Price】

chemistry of weathering and protection - Forest Products Laboratory

weathering and methods of protection of exposed wood surfaces are summarized. .. ically modified specimens, and wood erosion and erosion rates were low.【Get Price】

Morphological Changes in Acetylated Wood Exposed to Weathering .

Oct 31, 1992 . acetylated wood, severe intra- and inter- cell wall erosion was limited, . As with other chemical modifications, acetylation involves the reaction.【Get Price】

Weathering resistance of modified wood-A review

6 srp 2018 . Naslov: Weathering resistance of modified wood - A review . checking, dirt uptake, wood cell erosion and growth of mould and staining fungi.【Get Price】

The effect of natural weathering on untreated wood surface - SciELO

Erosion is more rapid in the less dense early-wood than in latewood, which . or modified with some protective compound after natural weathering (Kropf et al.【Get Price】

moisture sorption and accelerated - CiteSeerX

Wood cell-wall modification with acetic anhydride, lumen fill with methyl . the extent of swelling in liquid water; erosion due to accelerated weathering was.【Get Price】

EROSION RATES OF WOOD DURING NATURAL WEATHERING .

Lumber species were southern pine, western redcedar, Douglas-fir, and redwood; plywood species . Keywords: Weathering, erosion, flat grain, vertical grain, wood properties. .. wood modified with chromium (iii) nitrate versus chro-.【Get Price】