A kind of fast-growing grass mat and preparation method thereof
A technology of grass felt and seeds, which is applied in the fields of seed treatment, botanical equipment and methods, excavation, etc., can solve the problems of serious environmental pollution of chemical glue, non-degradable nylon materials, and inability to lay in pieces, so as to prevent soil erosion , Prevent dust from flying and facilitate spreading
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[0037] The preparation method of the modified starch glue is as follows: in 1000g of water, add 191g of polyvinyl alcohol and defoamer, stir and heat up to 90°C to dissolve completely, stir for 60min, add 0.55g of ammonium persulfate after cooling down to 60°C, stir 10min, then add 76.4g of cornstarch, stir evenly, add cross-linking agent and heat up, the temperature is controlled at 75°C, keep warm for 30min, finally add rosin 8.2g, dibutyl phthalate 0.3g, stir evenly, drop to Modified starch glue can be obtained at room temperature.
[0038] The preparation method of modified polyvinyl alcohol is as follows: Weigh an appropriate amount of PVA, add water, heat it in a water bath under electric stirring, control the temperature of the water bath at 80-90 °C, stop heating after it is completely dissolved, and obtain PVA glue. , adding an appropriate amount of succinic acid to the PVA glue, stirring to react under airtight conditions, and cooling to room temperature to obtain th...
Embodiment 1
[0050] A kind of fast-growing grass mat, which comprises straw powder, clay, bentonite, seeds, sodium humate, binder and polypropylene fiber net,
[0051] The mass ratio of the mass of the straw powder to the clay is 1:0.5-1;
[0052] The mass ratio of the bentonite to the straw powder is 0.1-0.4:1, the mesh size is 20-120, and the water content is ≤12%.
[0053] The mass ratio of the sodium humate to the straw powder is 0.05-0.15:1, the mesh size is 20-120 and the water content is ≤12%.
[0054] The spread density of described seed is 600 grains / m 3 ;
[0055] The amount of adhesive is 100mL per unit, where each unit is 2mm thick*1m 2 surface area;
[0056] The pore diameter of the polypropylene fiber net is 3 cm.
[0057] Described binding agent is modified starch glue, wherein modified starch glue viscosity is 1200mpas-1800mpas,
[0058] The preparation method of the modified starch glue is as follows: in 1000g of water, add 191g of polyvinyl alcohol and defoamer, sti...
Embodiment 2
[0068] A kind of fast-growing grass mat, which comprises straw powder, clay, bentonite, seeds, sodium humate, binder and polypropylene fiber net,
[0069] The mass ratio of the mass of the straw powder to the clay is 1:0.5-1;
[0070] The mass ratio of the bentonite to the straw powder is 0.1-0.4:1, the mesh size is 20-120, and the water content is ≤12%.
[0071] The mass ratio of the sodium humate to the straw powder is 0.05-0.15:1, the mesh size is 20-120 and the water content is ≤12%.
[0072] The spreading density of the seeds is 600-1200 grains / m 3 ;
[0073] The amount of adhesive is 100-250mL per unit, where each unit is 2mm thick*1m 2 surface area;
[0074] The pore size of the polypropylene fiber net is 3-5 cm.
[0075] The adhesive is polyvinyl alcohol glue, and the polyvinyl alcohol glue is mainly composed of modified polyvinyl alcohol with a concentration of 6-14%.
[0076] The preparation method of modified polyvinyl alcohol is as follows: Weigh an appropria...
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