Glass fiber modification method for enhancing thermoplastic resin
A thermoplastic resin and glass fiber technology, which is applied in the field of glass fiber modification reinforced by thermoplastic resin, can solve the problems of reducing the pressure resistance and service life of the pipe, the inner tube is prone to fatigue, and the stress of the glass fiber monofilament is uneven. Achieve the effect of improving the uniformity, improving the problem of uneven force, and improving the performance of the pipe
Inactive Publication Date: 2019-03-01
深圳市欧佩亚海洋工程有限公司
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Problems solved by technology
[0003] At this stage, the glass fiber prepreg tapes used in the reinforcement layer of glass fiber continuous reinforced thermoplastic composite pipes are all unidirectional glass fiber reinforced thermoplastic prepreg tapes combined with unidirectional glass fiber bundles and PP or PE resin matrix (such as Figure 4 ), where glass fibers are usually rovings (such as figure 1 ), this kind of glass fiber continuous reinforced thermoplastic composite pipe has the following technical problems: the reinforced layer is directly staggered and spirally wound with unidirectional glass fiber (bundle) reinforced thermoplastic prepreg tape, which will lead to uneven stress on each single filament in the glass fiber, The overall performance of the glass fiber cannot be fully utilized, causing the inner tube to be easily fatigued, thereby reducing the pressure resistance and the service life of the tube
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[0020] Embodiment: A glass fiber modification method for thermoplastic resin reinforcement provided by the present invention is applied to a glass fiber continuous reinforced thermoplastic composite pipe. The glass fiber continuous reinforced thermoplastic composite pipe is a new type of high-performance glass fiber reinforced composite pipe, including a three-layer structure, which is the inner layer pipe 1, the reinforcement layer 2, and the outer protective layer 3 from the inside to the outside; the inner layer pipe 1 and The outer protective layer 3 is a thermoplastic pipe, which has functions such as corrosion resistance, wear resistance, scratch resistance, weather resistance, flame retardancy, and antistatic. Materials with specific functions can be selected according to the characteristics of the conveying medium or the external environment, such as polyethylene ( PE), polypropylene (PP), heat-resistant polyethylene (PERT), nylon (PA), etc.; the inner tube 1 is a therm...
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The invention discloses a glass fiber modification method for enhancing thermoplastic resin. A thermoplastic prepreg tape, which is prepared by pre-immersing the thermoplastic resin through rough yarns subjected to twisting treatment, is applied to a spiral winding enhancing layer of a glass fiber continuously-enhanced thermoplastic composite pipe; the uniformity of monofilaments in the thermoplastic prepreg tape is greatly improved and the problem that glass fibers which are not subjected to the twisting treatment are uniformly stressed is effectively improved; the effect of stressing by a whole body is realized and the performance of tubular products is improved.
Description
technical field [0001] The invention relates to the field of glass fiber continuous reinforced thermoplastic composite pipes, in particular to a glass fiber modification method for thermoplastic resin reinforcement. Background technique [0002] Glass fiber continuous reinforced thermoplastic composite pipe is a new type of high performance glass fiber reinforced composite pipe. On the inner layer pipe extruded by thermoplastics, the reinforced layer is formed by interlaced winding of glass fiber thermoplastic prepreg tapes such as PP, / PE, etc., and then extruded thermoplastics as the outer protective layer. The inner and outer layers and the glass fiber layer, and the middle glass fiber layer are all of the same molecular structure and fusion bonding, and the three layers are completely welded together to form a solid wall tube, which has light specific gravity, high strength, low cost, corrosion resistance, With the advantages of green and environmental protection, it ...
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IPC IPC(8): C03C25/16C03C25/26C08J5/08
CPCC03C25/16C03C25/26C08J5/08
Inventor 刘畅张宗政张德文
Owner 深圳市欧佩亚海洋工程有限公司