Background technology
Fiber-reinforced resin (Fiber-reinforced polymer is called for short FRP) is to be the polymer matrix composites of reinforcing material with the fiber.FRP has the very high rigidity and the ratio of strength to weight.Compare with traditional structural material, FRP has good acid and alkali-resistance, decay resistance, in civilian installation, has obtained using more and more.Compare with glass fibre, basalt continuous fiber (Basalt fiber reinforced polymer is called for short BFRP) has excellent more physical property and the corrosion resistance of Geng Gao.
The fiber reinforcement wood composites is the advanced person's of function admirable a wooden engineered composite material, and composite combines the advantage of timber and fortifying fibre.Because fortifying fibre has higher strength and stiffness than timber, therefore, they can be used as reinforcing material and apply to traditional composite wooden material.Utilization reasonable structural design enhancement engineering composite wooden material is with showing good performance.Can also overcome the weak point of glass fibre and carbon fiber etc. traditionally in addition.And the price of basalt continuous fiber is suitable with glass fibre, is lower than carbon fiber, makes high-performance composite materials become possibility in the popularization of practical application.
Timber and BFRP are the materials of two kinds of different in kinds, and both differ greatly because of wood property, and glue performance is poor, and be not durable, situation such as peeling off appears in cementing layer easily, cracking.Also carried out the research of related fields both at home and abroad, but the result is desirable not to the utmost.
Bamboo wood is an inhomogeneous structure, and to bamboo spring face, density reduces gradually from bamboo strip, and elastic modelling quantity reduces gradually, shows the characteristic of the FGM of each item physical and mechanical property gradual change.The average tensile strength of bamboo wood is 200MPa, approximately is 2 times of timber, and strength character is between bamboo wood and BFRP; The performance of bamboo strip and BFRP is comparatively approaching; And the performance of bamboo spring face and timber is comparatively approaching; Bamboo wood can reduce the interfacial stress that different materials glues together in the composite as the natural buffered property material between timber and BFRP, has increased substantially the glue performance and the endurance quality of BFRP/ bamboo wood/Wood composite material.The exploitation of BFRP/ bamboo wood/Wood composite material; Not only can reduce the sectional dimension and the weight of structural wood; Improve the pliability and the durability of product; And will make low-quality timber and fast growing wood be used for becoming on the infrastructure product possibility, thereby opened up new approach for the efficient utilization of the large-area artificial forest of China, scondary forest density is less, intensity is lower, material is relatively poor timber resources.
Summary of the invention
The purpose of this invention is to provide the basalt continuous fibers that physical property is good, cost performance is high such as a kind of ratio of strength to weight is high, durability is strong, high temperature resistant and strengthen bamboo wood-Wood composite material and manufacturing approach thereof.
The objective of the invention is to realize through following technical scheme:
Be provided with bamboo board between basalt continuous fiber enhancing bamboo wood-Wood composite material timber of the present invention and the basalt fibre enhancing resin plate, three kinds of sheet materials are glued together.
The manufacturing approach of above-mentioned basalt continuous fibre enhancement resin composite material of the present invention comprises step:
A, use silane coupler to carry out surface treatment to said bamboo board.
B, the basalt fibre that will handle strengthen resin plate and bamboo board and timber plate and stick with glue the agent gummed.
Technical scheme by the invention described above provides can be found out; Basalt fibre of the present invention strengthens bamboo wood-Wood composite material and manufacturing approach thereof; Because as the function padded coaming, each item Main physical mechanical property of the basalt continuous fibre enhancement resin bamboo wood-Wood composite material that produces all can reach the requirement of correlation standard with bamboo board.
The specific embodiment
Basalt continuous fiber of the present invention strengthens bamboo wood-Wood composite material, and its preferable specific embodiment is:
Comprise that timber plate, basalt fibre strengthen resin plate, be provided with bamboo board between said timber plate and the basalt fibre enhancing resin plate, three ply board is gluing and press together.
Said timber plate and basalt fibre strengthen between the resin plate and are provided with bamboo board, and three ply board is gluing and press together.
The matrix that described basalt fibre strengthens resin plate is resinoids such as vinylite, epoxy resin, phenolic resins resorcinol-phenolic resin, polyurethane resin.
Above-mentioned basalt continuous fiber of the present invention strengthens the manufacturing approach of bamboo wood-Wood composite material, and its preferable specific embodiment comprises step:
A, use silane coupler to carry out surface treatment to said bamboo board.
B, the basalt fibre that will handle strengthen resin plate and bamboo board and timber plate and stick with glue the agent gummed.
In the described steps A, at first said basalt fibre enhancing resin plate and bamboo board are carried out the sanding processing, the bamboo board of with said silane coupler sanding being handled is then handled.
Among the described step B, at first strengthen the gluing in order assembly of resin plate with plank with through bamboo board, the basalt fibre of covering with paint, lacquer, colour wash, etc., bamboo strip and resin plate are glued, and yellow bamboo face and timber plate are glued, then said assembly are carried out compression set.
Described adhesive is the general HB709 of nation monocomponent polyurethane adhesive.
Specific embodiment:
Comprise raw material: timber, basalt continuous fiber strengthen various resin plates, bamboo board, adhesive, silane coupler etc.
The matrix of basalt continuous fibre enhancement resin plate is vinylite, polyurethane, resorcinol, phenolic resins, epoxy resin etc.;
Bamboo board is that various bamboo processing such as mao bamboon form;
Adhesive is adhesives such as polyurethane, resorcinol, phenolic resins, epoxy resin;
Silane coupler is used to promote basalt continuous fiber to combine with adhesive with resin and surf green surface.
Main implementation step:
Step 1, said basalt continuous fibre enhancement resin plate and bamboo wood surface are carried out sanding, apply surface treatments such as silane coupler.
Step 2, the material that will handle carry out assembly, gluing, compression set.
In the described step 1, at first said basalt continuous fibre enhancement resin plate and bamboo board are carried out the sanding processing; The bamboo clappers of with said coupling agent sanding being handled is then handled.
In the described step 2; At first with timber with through the bamboo board covered with paint, lacquer, colour wash, etc., basalt continuous fibre enhancement resin plate assembly in order; Bamboo board is between wood plank and basalt continuous fibre enhancement resin plate, and wherein bamboo strip and resin plate are glued, and yellow bamboo face and kahikatea plate are glued; Said assembly is carried out compression set, and the basalt continuous fiber that needing to obtain strengthens bamboo wood-Wood composite material.
Table 4 prior art and technical products performance comparison of the present invention
Can be found out by above-mentioned comparison: the physical and mechanical property of basalt continuous fibre enhancement resin/bamboo wood/Wood composite material all is superior to fiber-reinforced resin/Wood composite material that existing research obtains, and the ratio of strength to weight and cost performance are higher.
The present invention is reinforcing material with the basalt continuous fiber; Chemical substance with siliceous alkanes chemical composition is a coupling agent; With various resins is that the basalt continuous fibre enhancement resin of matrix manufacturing is a reinforcing material; As the function padded coaming, each item Main physical mechanical property of the basalt continuous fibre enhancement resin/bamboo wood that produces/Wood composite material all reaches Japanese agricultural integrated timber standard JAS1152 and the U.S.'s fiber reinforcing texture correlated performance index with integrated timber AC 280 defineds with bamboo board.The above; Be merely the preferable specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.