Mulching film prepared by utilizing rice straw and preparation method thereof
A technology of rice straw and mulch, which is applied in the fields of application, cultivation, textiles and papermaking, etc. It can solve the problems that affect the large-scale use of mulch, easy to break, and poor strength and toughness of the mulch, so as to achieve less impurities, reduce environmental pollution, and improve fertility Effect
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[0048] Example 1
[0049] A mulch film prepared from rice straw, which includes the following components according to weight percentage:
[0050] 70% rice straw fiber, 18% waste silk fiber, 1% bio-organic fertilizer, 6% polyvinyl alcohol, 2% corn starch, 1% glycerin, 1% sorbitol fatty acid ester, and 0.2% minerals.
[0051] The mineral is a dry powder of deep underground water; the dry powder is prepared by heating the deep underground water at 260°C for 10 minutes to evaporate water.
[0052] A method for preparing a mulch film prepared from rice straw includes the following steps:
[0053] S1. Rice straw fiber preparation:
[0054] 1) Straw pretreatment:
[0055] The rice straw is washed and chopped into short stems with a length of 2-5 cm, and then added to an ethanol aqueous solution for pretreatment for 2 hours at a treatment temperature of 180° C., and then dried; the ethanol concentration in the ethanol aqueous solution is 60%.
[0056] 2) Cellulose dissolution:
[0057] The 1-allyl-...
Example Embodiment
[0066] Example 2
[0067] A mulch film prepared from rice straw, which includes the following components according to weight percentage:
[0068] 70% of rice straw fiber, 18% of waste silk fiber, 1% of bio-organic fertilizer, 6.8% of polyvinyl alcohol, 2% of corn starch, 1% of glycerol, 1% of sorbitol fatty acid ester, 0.2% of minerals, 0.8% of pesticides %.
[0069] The insecticide is a neonicotinoid insecticide.
[0070] The preparation method is the same as in Example 1.
Example Embodiment
[0071] Example 3
[0072] A mulch film prepared from rice straw, which includes the following components according to weight percentage:
[0073] Rice straw fiber 70%, waste silk fiber 18%, bio-organic fertilizer 1%, polyvinyl alcohol 6.8%, corn starch 1%, glycerol 1%, sorbitol fatty acid ester 1%, mineral 0.2%, glyoxal Coupling agent 1%.
[0074] The preparation method is the same as in Example 1.
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