A kind of elastic body and production method for producing drip irrigation tape strips
A technology of elastomer and drip irrigation tape, which is applied in the field of improvement of raw materials for the production of drip irrigation tape strips, can solve the problems of general performance, limited application range, and difficulty, and achieve constant water flow, broaden the application range, and good compensation effects Effect
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Embodiment 1
[0018] The elastic body used to produce drip irrigation tape strips is characterized in that: it is made of the following raw materials in weight percentage:
[0019] Polyethylene PE: 70%, through polyethylene PE as the main carrier; ethylene-vinyl acetate copolymer EVA: 20%, through ethylene-vinyl acetate copolymer EVA as an auxiliary carrier; thermoplastic elastomer TPE: 10%, through Thermoplastic elastomer TPE is as auxiliary material; The solubility parameter SP of described polyethylene PE is 9.6, and the solubility parameter SP of described ethylene-vinyl acetate copolymer EVA is 9.3, and the solubility parameter SP of described thermoplastic elastomer TPE is 7.4 Polyethylene PE, ethylene-vinyl acetate copolymer EVA and thermoplastic elastomer TPE have similar solubility parameters SP and are compatible; through mixing, melt blending and granulation, it is made into a high-quality drip irrigation tape for sticking strips. molecular particles.
[0020] As an improvement ...
Embodiment 2
[0030] The elastic body used to produce drip irrigation tape strips is characterized in that: it is made of the following raw materials in weight percentage:
[0031] Polyethylene PE: 75%; Ethylene-vinyl acetate copolymer EVA: 15%; Thermoplastic elastomer TPE: 10%; The solubility parameter SP of the polyethylene PE is 9.7, and the ethylene-vinyl acetate copolymer EVA The solubility parameter SP of said thermoplastic elastomer TPE is 9.1, and the solubility parameter SP of described thermoplastic elastomer TPE is 7.6, and polyethylene PE, ethylene-vinyl acetate copolymer EVA and thermoplastic elastomer TPE have good compatibility; Through mixing, Melt blending and granulation to make polymer particles for the production of drip irrigation tape strips.
[0032] As an improvement of the present invention: the polyethylene PE described above is linear polyethylene (LLDPE), the same as in Example 1, and can be directly purchased from petrochemical formulas.
[0033] The ethylene-v...
Embodiment 3
[0041] The elastic body used to produce drip irrigation tape strips is characterized in that: it is made of the following raw materials in weight percentage:
[0042] Polyethylene PE: 65%; Ethylene-vinyl acetate copolymer EVA: 25%; Thermoplastic elastomer TPE: 10%; The solubility parameter SP of the polyethylene PE is 9.5, and the ethylene-vinyl acetate copolymer EVA The solubility parameter SP of said thermoplastic elastomer TPE is 9.5, and the solubility parameter SP of described thermoplastic elastomer TPE is 7.2, and polyethylene PE, ethylene-vinyl acetate copolymer EVA and thermoplastic elastomer TPE have good compatibility; Through mixing, Melt blending and granulation to make polymer particles for the production of drip irrigation tape strips.
[0043] As an improvement of the present invention: the polyethylene PE described above is linear polyethylene (LLDPE), the same as in Example 1, and can be directly purchased from petrochemical formulas.
[0044] The ethylene-v...
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