43results about How to "Good nail grip" patented technology

The invention provides three-layer solid wood materials of pure Chinese fir and its preparation method. It is characterized in that: after planed and thickness defining, complete tenon process and finger joint of the Chinese fir square stocks. Then, dissect them into slice strips along their length direction and put the slice strips with the same lengths together to form plates. Based on the wood texture, press them to 18mm three-layer solid wood plates through vertically crossed by sizing layer-by-layer. The products have compact structure and light texture, eliminate the wood internal stress, have characteristics of large intensity, good flexibility, corrosion resistance and are moisture proof and uneasy to distort and crack.

The invention provides a flame-retardant straw artificial composite board. The flame-retardant straw artificial composite board comprises a naked panel and a decorative finish layer which is arranged on at least one surface of the naked panel, wherein the naked panel comprises the following raw materials in parts by weight: 7 to 8 parts of crop straw particles, 0.8 to 1 part of adhesion agent and 0.8 to 1 part of flame retardant, wherein the flame retardant comprises magnesium oxide, calcium sulfate, aluminum hydroxide, brucite and zinc borate. The flame-retardant straw artificial composite board has very high chemical, physical and mechanical properties of flame retardancy, water resistance, insect resistance and the like, and can be applied to various fields instead of wood-based panels. The invention also provides a manufacturing method for the flame-retardant straw artificial composite board. According to the manufacturing method, the raw materials are subjected to curing and shaping processing by adopting a normal temperature cold pressing molding technology; energy resources are greatly saved; the product performance can also be improved; the product has the functions of preventing water and preventing fire; meanwhile, the equipment cost can also be greatly reduced; the overall production process is green and pollution-free.

The invention is layered symmetric structure, the center of which is a center layer (1), forming layer (2), strengthening layer (3), waterproof layer (4) and wear-resistant layer (5) are respectively distributed symmetric above and under the center of the structure (1) , the modified magnesite and composite materials have conspicuous advantages: (1) good mechanical properties, and high compressive resistance, high flexural strength, not easy to deform, which is conducive to enhancing life; (2) waterproof performance is particularly conspicuous. Blisters are not afraid of flooding, improving the utilization rate of repeat; (3) It increases the ability of wear-resisting, the surface can be maintained for a long time in the formation and thus concrete structures on the surface cleanliness; (4) It is easy to grip nails, small density, light weight, easy to construction; (5) It is formaldehyde-free, non-radioactive, environmental safety; (6) and it has a wide range of uses, in addition to concrete formwork for the construction, production of building blocks can be used, as other pad, parapet panels, decorative plates, etc.

The invention relates to a plug-in type low-carbon heat preservation energy-saving board, which is characterized in that the board is an integral board formed by sequentially connecting a decorative finishing layer, a finishing layer, a middle layer glass fiber mesh, a low-carbon board, a stainless steel welded mesh, a bottom layer glass fiber mesh, a soundness glue layer and an SPS extrusion molding heat preservation board. The invention has the advantages that the board not only is an excellent substitute for coatings, ceramic tiles, stones, timbers and metal boards, but also has a heat preservation function which simultaneously simplifies the complicated construction steps specified in three-step energy-saving requirements of national regulation, and ensures that the heat preservation and energy saving as well as decorative effects are achieved synchronously; and the installation process is simple and fast, special matched adjustable dry hanging connecting pieces are provided, and a hollow plug-in pipe is embedded in a plane material decorative layer in advance, which enables the installation process to be firm and reliable.

The invention relates to a modified fiber board production process. The modified fiber board production process includes steps of chipping, digesting, hot grinding, preparation of modified fibers, drying, preparation of blank materials, cold pressing, hot pressing, saw cutting, sanding, thickness determination and the like. In the step of preparation of modified fibers, calcium powder is added into fibers and used for replacing part of wood fibers, the calcium powder is mixed with glue prior to being mixed with the fibers during filling so as to enable clearances of the fibers to be filled by mixture of the calcium powder and the glue, and accordingly physical and chemical performances of fiber boards are improved, and improvement of board density, reduction of wood consumption and improvement of elasticity modulus indexes and static bending strength of the boards are achieved while reduction of fiber board production cost and effective saving of wood resources are realized. Wood consumption is reduced by about 20% as compared with that of common fiber boards, and the modified fiber boards produced according to the process have the advantages of high strength, high nail holding ability, excellent bending resistance and high stability and flame retardance.

The invention relates to a straw composite plate and a preparation method thereof. The straw composite plate is prepared from the following raw materials in percentage by weight: 55 to 60 percent of crop straw, 10 to 15 percent of weed straw, 7 to 10 percent of mushroom bran, 7 to 9 percent of landscaping discarded branches, 6 to 8 percent of wood dust, 0.1 percent of ammonium dihydrogen phosphate, 0.5 to 1.5 percent of polyvinyl acetate, 1 percent of polyvinyl alcohol and 0.4 percent of magnesium chloride. The preparation method comprises the following processes: crushing the raw materials; stirring the raw materials; preheating a mould; paving the raw materials; spraying adhesive; performing hot pressing; demoulding; processing a plate blank; pressing a film; attaching a film or sprayingpaint. According to the straw composite plate and the preparation method thereof, the mushroom bran, the branches and the like are added into the straw for preparing the straw composite plate for thefirst. Meanwhile, a flame retardant and a moisture proof agent are added into auxiliary materials. The polyvinyl alcohol is added into the raw materials, so that the composite plate has the advantageof water resistance and moisture resistance; the flame retardant is added, so that molecular oxygen in the composite plate is locked, so that the purpose of retarding flame is achieved; a cross-linking agent is added, so that the materials are closer; the composite plate does not deform easily, and the nail holding force is good.

The invention provides a fabrication method for veneer based external wall panels. The fabrication method for the veneer based external wall panels is characterized by comprising the steps that wood veneers with the moisture content of 1-15% and the thickness of 1-3.2 mm serve as raw materials and are soaked in or coated with mixed resin modified liquid; the obtained wood veneers are dried until the moisture content is 5-15%; then three to nine layers of the dried wood veneers are assembled to plate blanks; the plate blanks are put into a relief mould for mould pressing, wherein the mould pressing hot-press temperature is 130-150 DEG C, the hot-press pressure is 1-3 MPa, and the pressing time is 1.0-1.5 minutes for every 1 mm of thickness of the plate blanks; and the pressed plate blanks are sawed into strips of a certain specification, the front faces and the side edges of the strips are coated with weather-proof waterproof paint, and then the strips are fabricated to be the outdoor purpose external wall panels with an excellent decoration effect and anticorrosion and weather-proof functions.

The invention provides a double-layer co-extruded aluminum-wood plastic profile and a preparation method. The profile comprises: an aluminum base material; an ethylene-1-butene copolymer layer, whichis coated on the aluminum base material; and a wood-plastic material, which is co-extruded on the ethylene-1-butene copolymer layer. The preparation method comprises the following steps: 1, mixing theraw materials of the wood-plastic material, and then performing granulation and extrusion granulation; and 2, heating the aluminum base material by heating equipment, then conveying the aluminum basematerial into a co-extrusion mold of co-extrusion equipment, coating the aluminum base material with the ethylene-1-butene copolymer and the wood-plastic material obtained in step 1 in a co-extrusionmode, fusing the contact surfaces of ethylene-1-butene and the wood-plastic material, and performing infiltrating on a wood-plastic base material layer, thus obtaining the aluminum-wood plastic profile. According to the invention, the wood-plastic material is combined with the aluminum base material, so that the mechanical properties of the product can be improved; compared with a common wood-plastic profile at present, the aluminum-wood plastic profile is not prone to deformation, the nail-holding power and the structural performance of the product are improved, and the wood-plastic profilehas the decorative performance and the structural performance of wood at the same time.

The invention relates to the technical field of package materials, in particular to a manufacturing process for a pine bamboo board. The pine bamboo board is formed by alternately gluing shaving boards and bamboo fibre boards; each shaving board is formed by bonding wood chips layer by layer; each bamboo fibre board is formed by bonding bamboo chips which are formed by planing bamboo wood layer by layer. According to the pine bamboo board manufactured by the manufacturing process, bamboo wood processing raw materials are recycled and utilized; a bamboo fibre board is clamped between every two layers of the shaving boards, so that the nail-holding power of the manufactured pine bamboo board is very great compared with that of a package board which is manufactured by pure bamboo, and the manufactured pine bamboo board has certain toughness; the pine bamboo board has very good weather resistance, and moreover, the antibacterial performance of the shaving boards and bamboo fibre boards is high, so that the bamboo board cannot mildew in a humid environment; moreover, the surface compressive resistance of the bamboo board is higher.

The invention relates to a coating technique of imitated scented rosewood. The coating technique comprises the following steps: 1) veneer pretreatment; 2) decorative design drawing with potassium permanganate; 3) treatment with sodium hydroxide; 4) dyeing; 5) porefilling and coloring; 6) brushing with primer; 7) clear coating; and 8) wood final treatment. The coating technique has the advantages that 1) monopetalanthus has luster, crisscross lines, fine and uniform structure, intermediate strength, high rotary cutting performance, corrosion resistance and the like, and is easy to process; 2) the color is bright and full, the imitation chroma difference is small, the dyeing is strong, an extremely small color difference exists between the scented rosewood and the dalbergia odorifera, and the destructive effect on wood is extremely small; 3) the device requirement is low, the operation is easy, the controllability is high, the production cost is low, and the imitated scented rosewood canbe used for large-scale industrial production, and has a good actual application prospect; 4) sandalwood is added on the basis of imitating rosewood color to bring smell enjoyment; and 5) healthy andenvironmental-friendly natural dye is selected to meet the current requirement on environmental-friendly and green ecology.

The invention provides preparation and application of a composite straw glass fiber inorganic material decorative integrated plate. The preparation method comprises the steps of mixing raw materials by weight ratio, and pre-compressing the raw materials to obtain a straw fiber inorganic blank material; the raw materials comprise a 40-70 parts of straw fiber, 10-20 parts of glass fiber, 20-50 parts of cement and/or calcium silicate material, 0.5-1 part of cement thermosetting modifier, and 2-5 parts of diisocyanate. A decoration paper dipped by melamine resin is paved on a surface layer of a stainless steel rust template; the pre-compressed straw fiber inorganic blank material is paved in the middle; then they are molded at once to form a composite straw glass fiber inorganic material decorative integrated plate. The molding condition is that the temperature is between 150 and 190 DEG C; the pressure is between 20 and 25 MPa, and the hot pressing time is between 30 and 90s. <{EN2}>The preparation materials are cheap; the method is simple and effective; and the decorative integrated plate with high intensity, flame retardation and waterproof performance is prepared by one time hot pressing molding.

The invention provides a hipboard. The hipboard is a composite board laterally zygomorphic with a board core as center, and consists of the board core, bamboo charcoal layers, PVC layers, an imidazolidine laser and an adhesive veneer; two bamboo charcoal layers are respectively arranged on the left and right two sides of the board core; the PVC layers are arranged between the two bamboo charcoal layers; and finally, the imidazolidine laser and the adhesive veneer are arranged in sequence. The hipboard can effectively improve the pungent smell, reduce the harm to human bodies, improves the board stability, enables the board to be not easy to deform, and is better in nail holding capacity.

The invention discloses a plant straw ecological board and a preparation method thereof. The preparation method comprises the following steps of preparing a special adhesive for the plant straw ecological board, preparing a special treating agent for the plant straw, treating the plant straw by using the special treating agent for the plant straw to prepare straw crushed aggregates, mixing plant crushed aggregates (the straw crushed aggregates, bagasse and wood residues) and a reinforcing agent, spraying the special adhesive for the plant straw ecological board into the mixture, and manufacturing the board through a hot pressing process or a cold pressing process. The plant straw ecological board and the preparation method thereof provided by the invention have the beneficial effects that the preparation method is simple, the cost is relatively low, the plant straw ecological board is very suitable for industrial production, and the obtained plant straw ecological board is high in bonding strength, good in toughness, resistant to water soaking, good in nail-holding power, waterproof, mildew-proof, mothproof, stable in quality, free of formaldehyde and other toxic and harmful volatile matters, ultralow in VOC, green, environment-friendly and safe to use.

The invention relates to a low-foaming PVC crust plate material, which is prepared from a PVC template recovery material, calcium powder, stabilizing agents, filling materials, foaming regulators, foaming agents, pigments, polyethylene wax and wood powder. The proportioning of each ingredient of the low-foaming PVC crust plate material is reasonable, so that the prepared PVC crust plate material has the better nail holding force on wood screws than wood materials; the bending intensity and the room temperature impact intensity are better than those of wood materials; the adhesion connection iseasy; the anti-deformation capability is high.