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The main functions of wood in the composite material are weight reduction, reduction of thermal conductivity [1] [2] and the fixture function [3] whereas the main functions of geopolymer are bonding of wood particles, improvement of fire resistance, [4] providing mechanical strength, [5] improvement of humidity resistance and protection against fungal and insect damages.
Moisture cure polyurethanes have been widely used in the adhesive and coating industries. Thermal, mechanical, and surface properties of hyperbranched polyurethane-urea (HBPU) moisture cured coatings have been studied in relationship to chemical structure. [3]
A fence is a part of many woodworking tools; it is typically used to guide or secure a workpiece while it is being sawn, planed, routed or marked. Fences play an important role for both accuracy and safety. Fences are usually straight and vertical, and made from metal, wood or plastic. [1]: 194
Vinyltriethoxysilane and the related vinyltrimethoxysilane are used as monomers and comonomer for polymers such as ethylene-vinyltrimethoxysilane and ethylene-vinyl acetate-vinyltrimethoxysilane.
Most coatings have four basic components. These are the resin, solvent, pigment and additive systems [5] but the resin or binder is the key ingredient. Continuing environmental legislation in many countries along with geopolitics such as oil production are ensuring that chemists are increasingly turning to waterborne technology for paint/coatings and since resins or binders are the most ...
Exterior insulation and finish system (EIFS) is a general class of non-load bearing building cladding systems that provides exterior walls with an insulated, water-resistant, finished surface in an integrated composite material system. EIFS has been in use since the 1960s in North America and was first used on masonry buildings.
Oakum is a preparation of tarred fibers used to seal gaps. Its traditional application was in shipbuilding for caulking or packing the joints of timbers in wooden vessels and the deck planking of iron and steel ships. [1] Oakum was also used in plumbing for sealing joints in cast iron pipe, and in log cabins for chinking. In shipbuilding it was ...
Wood impregnation resins typically are designed to end up inside wood cell walls, where they generally increase strength, hardness, dimensional stability, and resistance to decay. [2] In recent years, interest in wood, or lumber, has increased because less energy is needed to convert trees into wood than what is required by other building ...
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