54results about How to "Strong nail grip" patented technology

The invention discloses a multilayer composite plate for building templates and brick pallets, which is prepared from magnesium cement gel added with a reinforcing material and a filler, and comprises surface layers (1) and sandwich layers (2); the surface layers (1) or/and the sandwich layers (2) comprise the filler or/ and the reinforcing material with even content or gradient change; the number of the sandwich layers (2) is totally between 1 and 5; and the reinforcing material is arranged between adjacent sandwich layers (2). The invention also comprises a preparation process for the multilayer composite plate, which comprises that: production equipment with the capacity of stirring and preparing materials at multiple positions and rolling at multiple positions orderly rolls the surface layers (1) or/and the sandwich layers (2) on a subplate (3); and the reinforcing material is used as a reinforced structure between adjacent surface layers (1) or/and sandwich layers (2). The products corresponding to the invention have the characteristics of strong applicability, good technical effect and suitability for mechanical continuous production, and have predictable great economic and social values.

The invention relates to a method for manufacturing wood plastic composite material by using plant straw and waste plastics and materials thereof. Polyester and plant wood fiber materials such as sawdust, bamboo powder, rice hull, straw, and the like, are mixed according to certain ratios, a tailor-made additive is added, and after the processes of high temperature, extrusion, molding, and the like, the composite building profile is manufactured. The wood plastic material can replace wood, plastics, and the like, and is mainly used in the industries of packaging, building materials, furniture, logistics, and the like. The invention has simple processing technology, and the product has good processing properties and strength property, good water proof and corrosion resistant property and adjustability, the materials have wide sources and applications, especially the plant straw and waste plastics which contain waste mulch film and are recovered under the northern planting pattern of mulch film can be used for production, thus using the waste and restraining the current pollution of the mulch film planting to the lands effectively.

The invention provides a natural fiber filled polyethylene composite material and a preparation method thereof. The natural fiber filled polyethylene composite material comprises the following components by weight percent: 20-50% of high density polyethylene, 40-70% of natural fiber powder, 1-6% of fatty acid polyethylenimine condensation product, 1-15% of inorganic mineral filler and 1-6% of lubricating agent. The preparation method comprises the following steps: adding weighed natural fiber powder particles into a high-speed mixer, and stirring for 20-30 minutes at the speed of 2000r/min (revolutions per minute); adding other components in proportion, mutually mixing and stirring for 10-20 minutes, and then adding the mixture into a homodromous and parallel two-screw extruder; and pelleting to obtain the particles of the natural fiber filled polyethylene composite material. By using the preparation method, the defects that a common WPC (wood plastic composite) material is poor in mechanical property and poor in humidity resistance are solved.

The invention discloses a method of preparing a plastic-wood material by using abelmoschus manihot straws. The method comprises the steps of preparing abelmoschus manihot powder, heating in an electrically auxiliary manner, mixing at a high speed, dehumidifying, pelletizing, extruding, processing and forming. According to the method of preparing the plastic-wood material by using the abelmoschus manihot straws, a process design is reasonable, the operability is strong, a preparation process is preferably selected according to fiber characteristics and physical and chemical properties of the abelmoschus manihot, and the prepared plastic-wood is high in strength, strong in nail-holding power, high in wood fiber content, high in impact resistance, high in environment friendliness, and is an excellent plastic-wood material. Moreover, the materials in the method are traditional Chinese medicine wastes, so that the production cost is low; in the materials, plant fibers are long and high in content, waste resources can be recycled, physical performances such as product impact strength can be improved, the service life is prolonged, and economical benefits and social benefits are important.

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 provides a production technology of a polypropylene building template, which is the technology for producing the building template by adopting waste plastics as the raw materials. The production technology comprises the steps of pretreating the raw materials, mixing the materials, and carrying out extrusion molding. The raw materials are treated based on a certain ratio and prepared into the product building template under a certain condition. The product building template has the characteristics that the construction quality is high, the building template can be recycled for a plurality of times, the cost is reduced, the benefit is increased, the energy conservation and environment protection are realized, and the residues can be recycled; and the product building template has a large market demand and wide prospect, and is an excellent substitute for steel templates, bamboo plywood and wood plywood.

The invention discloses a self-insulating composite wallboard which comprises an outer board and an inner board.In the outer board, two layers of outer grid cloth clamp a middle board in the middle and are sewn and connected together through inorganic alkali-resisting sewing threads and arranged in cement-based mortar.In the inner board, inner grid cloth is arranged on the inner side of steel wire meshes, and the steel wire meshes and the inner grid cloth are evenly arranged in the cement-based mortar.One side of the outer board is fixedly connected with the outer side of the inner board together.The invention further discloses a production method of the self-insulating composite wallboard.The outer board is firstly produced, then the inner board is manufactured, the outer board is arranged on the inner board when inner board mortar is not dried, and the composite wallboard is obtained after drying.The self-insulating composite wallboard adopts the structure that the inner board and the outer board are compounded and meanwhile has the advantages of self insulation, heat insulation, water proofing, fire proofing, cracking prevention, seismic resistance, fracture resistance, light weight, convenient installation, any cutting, strong nail-holding power and convenient slotting and pipe laying.

The invention discloses an ultra-light-weight composite environment-friendly fiber board and a preparing method of the ultra-light-weight composite environment-friendly fiber board, and belongs to the technical field of an ultra-light-weight fiber board. The ultra-light-weight composite environment-friendly fiber board is characterized by comprising an upper flame-retardant wood fiber layer, a lower flame-retardant wood fiber layer and a wood fiber and expanded perlite mixing layer arranged between the upper and lower flame-retardant wood fiber layers. The invention also discloses the preparing method of the ultra-light-weight composite environment-friendly fiber board. The ultra-light-weight composite environment-friendly fiber board has a series of advantages that the supporting capacity of a high-rise building partition wall is effectively reduced; the strength of the wall surface is enhanced; the properties such as the impact-resistant property, the folding-resistant property and the nail holding force are good; the heat insulation function, the fireproof function, the sound isolation function, the anti-seismic function and the aging-resistant effect are achieved; the secondary wall surface decoration is convenient; and the attaching force of a decoration surface is strong, and the like.

The invention relates to a fiber decorative board with high nail-holding ability and a production method thereof, and belongs to the technology field of glass/magnesium fiber decorative boards and production method thereof. The invention is characterized in that the fiber decorative board is made from the following materials according to mass percentage: (1) 1 part of magnesium oxide, 0.8-1.2 parts of aqueous solution of magnesium chloride and 0.2-0.4 parts of talc powder, which are mixed until pasty and serve as coating; (2) 1 part of magnesium oxide, 3-5 parts of aqueous solution of magnesium chloride, 0.3-0.5 parts of talc powder, 0.4-0.6 parts of crop fiber, 1.8-2.2 parts of wood fiber and 0.5-1.5 parts of at least one selected from palm fiber, bamboo fiber, cotton fiber, nylon fiber, polyacrylonitrile fiber, bast fiber, fabric fiber overleft from clothing factory, and waste fabric fiber, which are mixed and serve as major ingredient. The production method comprises the following steps: coating a demoulding agent on a template of work table top, paving neutral-alkaline glass fiber fabric on the template, spreading the coating paste on the glass fiber fabric, spreading the major ingredient on the coating and leveling, paving glass fiber fabric on the flat major ingredient, coating with the coating paste, curing to allow molding, demoulding, ageing, cutting and trimming, packaging and storing. The inventive fiber decorative board has high nail-holding ability and good resistance to fire and water.

The invention provides a formaldehyde-free fiber material and a formation method thereof. The method comprises the following steps: the fiber material is ground into filaments to enable the filaments of the fiber raw material to be loose and basically keep sticky, the filaments and an adhesive are arranged in an alternative manner to form layers, an upper surface layer and a lower surface layer are layers formed by the filaments of the fiber material, and finally hot pressing and cold pressing are sequentially performed, wherein the adhesive comprises LDPE and HDPE. The invention further provides a fiber decorative material and a manufacturing method thereof. According to the fiber decorative material manufacturing method, salix psammophila and a branch material with small diameter are utilized to manufacture the fiber decorative material, and the manufactured fiber decorative material has the advantages of strong nail-holding power, high non-deformability, high resistance to bending and high resistance to tension so as to change salix psammophila and the branch material into valuable things, and the fiber decorative material has great commercial value; in addition, the formaldehyde-free fiber material formation method and the fiber decorative material manufacturing method are simple and have no special requirements for equipment, and the formaldehyde-free fiber material and the fiber decorative material are suitable for large-scale industrial production.

The invention provides a formaldehyde-free fiber material and a formation method thereof. The method comprises the following steps: the fiber material is ground into filaments to enable the filaments of the fiber raw material to be loose and basically keep sticky, the filaments and an adhesive are arranged in an alternative manner to form layers, an upper surface layer and a lower surface layer are layers formed by the filaments of the fiber material, and finally hot pressing and cold pressing are sequentially performed, wherein the adhesive comprises LDPE and HDPE. The invention further provides a fiber decorative material and a manufacturing method thereof. According to the fiber decorative material manufacturing method, salix psammophila and a branch material with small diameter are utilized to manufacture the fiber decorative material, and the manufactured fiber decorative material has the advantages of strong nail-holding power, high non-deformability, high resistance to bending and high resistance to tension so as to change salix psammophila and the branch material into valuable things, and the fiber decorative material has great commercial value; in addition, the formaldehyde-free fiber material formation method and the fiber decorative material manufacturing method are simple and have no special requirements for equipment, and the formaldehyde-free fiber material and the fiber decorative material are suitable for large-scale industrial production.

The invention embodiment discloses a PVC (Polyvinyl Chloride) co-extruded sheet and a production method thereof, and belongs to the technical field of composite materials. The PVC co-extruded sheet comprises a PVC surface layer and a PVC foamed filling layer, wherein the PVC surface layer is prepared from PVC resin, CPVC powder, PBO fibers, a stabilizer, a fire retardant and ground calcium carbonate powder; the PVC foamed filling layer is prepared from the PVC resin, the CPVC powder, the PBO fibers, the stabilizer, the fire retardant, the ground calcium carbonate powder, an impact modifier, talcum powder, an internal lubricant, oxidized polyethlene wax, magnesium oxide, a silane coupling agent, a foam regulator, an ultraviolet light absorber, an antioxidant and an antistatic agent. The PVCco-extruded sheet in the embodiment of the invention has good mechanical property, weather resistance and good promotion value, so that the limitations of an existing PVC foaming material used outdoors are overcome, the cost of outdoor landscape engineering is greatly reduced and further the use field of products is widened.

The invention relates to the technical field of preparation of fixed luminescent materials, specifically to a preparation method for a wood-plastic board capable of absorbing ultraviolet rays and emitting fluorescence. The wood-plastic board comprises the following materials: 15 to 18% of a core-layer material, 13 to 16% of a surface-layer material located on the surface of the core-layer material, 55 to 60% of wood powder, 1 to 4% of a fluorescent agent, 1 to 4% of a coupling agent and 0.2 to 0.5% of an antioxidant, with the balance being an auxiliary agent. The wood-plastic board prepared byusing the preparation method provided by the invention improves the decorative properties of a material, is broadened in application fields through the function of self-illumination, has long luminescence time, can be used for facilities like indoor decorations and outdoor floors, has more significant utilization value especially in the field of traffic roads, and can exert the effects of illumination, warning, etc.; and the surface of a finished wood-plastic board product has the strength and smoothness of co-extruded polyethylene, and has strong nail-holding force.

The invention discloses a fast-assembly dry-type wall brick which comprises a first bottom plate connected with a wall surface, and the first bottom plate and a second bottom plate are assembled to form a planar integrated structure; the supporting plate is mounted at the front end of the outer surface of the second bottom plate, a limiting plate for limiting is mounted at the front end of the outer surface of the supporting plate, and clamping plates for equidistant elastic clamping are mounted at the rear end of the outer surface of the second bottom plate. According to the fast-assembly dry-type wall brick, the supporting plate which is stably used is arranged, the limiting plate is assembled to assemble the dry-type wall brick body, the length of the second bottom plate is larger than that of the first bottom plate, the second bottom plate, the supporting plate and the limiting plate are integrated, and a clamping plate and a clamping block which have the positioning and nesting functions are arranged at the rear end of the outer surface of the second bottom plate; and the clamping blocks with the sawtooth-shaped structures and the easy-to-disassemble blocks with the inclined structures are stably clamped in the clamping plates, so that falling is prevented, and the use stability of the overall structure of the first bottom plate is improved.

The invention discloses a method for manufacturing a high-density glue permeated plate in mould pressing solid wood, which belongs to the technical field of processing of artificial plates and relevant equipment. The method is characterized in that a low-density wood plate or wood strip is placed in a high-pressure container to realize supercharging glue permeation via pressure higher than atmosphere pressure, glue permeation time can be shortened, further, glue can assuredly permeate into seams among fiber tissues of the wood effectively, the wood plate or wood strip dried at low temperature is placed in a hot pressing machine to be compressed into a medium and high-density plate in a mould pressing manner according to a proper compression ratio, and accordingly a finally manufactured medium and high-density glue permeated plate in the solid wood really has performances of no crack, waterproofness and fire protection which do not belong to the solid wood, is high in woodiness feeling and nail-holding ability, has excellent stability, and can be used for replacing increasingly deficient hard wood.

The invention provides a formaldehyde-free fiber material and a formation method thereof. The method comprises the following steps: the fiber material is ground into filaments to enable the filaments of the fiber raw material to be loose and basically keep sticky, the filaments and an adhesive are arranged in an alternative manner to form layers, an upper surface layer and a lower surface layer are layers formed by the filaments of the fiber material, and finally hot pressing and cold pressing are sequentially performed, wherein the adhesive comprises LDPE and HDPE. The invention further provides a fiber decorative material and a manufacturing method thereof. According to the fiber decorative material manufacturing method, salix psammophila and a branch material with small diameter are utilized to manufacture the fiber decorative material, and the manufactured fiber decorative material has the advantages of strong nail-holding power, high non-deformability, high resistance to bending and high resistance to tension so as to change salix psammophila and the branch material into valuable things, and the fiber decorative material has great commercial value; in addition, the formaldehyde-free fiber material formation method and the fiber decorative material manufacturing method are simple and have no special requirements for equipment, and the formaldehyde-free fiber material and the fiber decorative material are suitable for large-scale industrial production.