A kind of high wear-resisting cement formwork and preparation method thereof
A cement formwork, high wear-resistant technology, applied in the direction of flat products, other household appliances, household components, etc., can solve the problems of poor mold release, poor water resistance, poor stability, etc., to achieve fast curing, good mold release performance, and low production cost low effect
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Embodiment 1
[0029]Step 1: Weigh according to the ratio of parts by mass: 100 parts of urea-formaldehyde glue; 1 part of sodium phosphate; 1 part of aluminum oxide; 0.1 part of sodium nitrite; 0.5 part of sodium sulfonate; 1 part of sodium carbonate; 3 parts; 2 parts of hexamethylenetetramine; 5 parts of epoxy resin; 0.6 parts of dimethylpolysiloxane; 10 parts of ABS; 5 parts of aluminum oxide; 20 parts of potassium carbonate; polyvinyl formal binder 4 parts; cherry wood 200 parts.
[0030] Step 2: Carry out rotary cutting and drying of cherry wood, mix urea-formaldehyde glue, sodium phosphate and alumina at 60°C for 15 minutes;
[0031] Step 3: Add sodium nitrite, sodium sulfonate and sodium benzoate to the mixed material, heat up to 80°C, and stir for 20 minutes;
[0032] Step 4: Add paraffin, hexamethylenetetramine and epoxy resin, heat up to 100°C, stir for 30 minutes, then add dimethyl polysiloxane, ABS and aluminum oxide, heat up to 120°C and stir for 1 hour ;
[0033] Step 5: Add...
Embodiment 2
[0036] The first step: Weigh according to the ratio of parts by mass: 100 parts of urea-formaldehyde glue; 20 parts of sodium phosphate; 5 parts of aluminum oxide; 0.5 parts of sodium nitrite; 2.5 parts of sodium sulfonate; 20 parts of sodium carbonate; 7 parts; 6 parts of hexamethylenetetramine; 9 parts of epoxy resin; 1 part of dimethyl polysiloxane; 30 parts of ABS; 25 parts of aluminum oxide; 40 parts of potassium carbonate; polyvinyl formal binder 8 parts; Fraxinus Fraxinus 400 parts.
[0037] Step 2: Carry out rotary cutting and drying of Mandshurica ash, mix urea-formaldehyde glue, sodium phosphate and alumina at 80°C for 35 minutes;
[0038] Step 3: Add sodium nitrite, sodium sulfonate and sodium benzoate to the mixed material, raise the temperature to 100°C, and stir for 40 minutes;
[0039] Step 4: Add paraffin, hexamethylenetetramine and epoxy resin, heat up to 120°C, stir for 50 minutes, then add dimethyl polysiloxane, ABS and aluminum oxide, heat up to 160°C and ...
Embodiment 3
[0043] The first step: Weigh according to the ratio of parts by mass: 100 parts of urea-formaldehyde glue; 5 parts of sodium phosphate; 2 parts of aluminum oxide; 0.2 parts of sodium nitrite; 1 part of sodium sulfonate; 5 parts of soda ash; 3 parts of hexamethylenetetramine; 6 parts of epoxy resin; 0.7 part of dimethylpolysiloxane; 15 parts of ABS; 10 parts of aluminum oxide; 25 parts of potassium carbonate; 5 parts of polyvinyl alcohol binder; 250 parts of Fraxinus mandshurica.
[0044] Step 2: Carry out rotary cutting and drying of Mandshurica ash, mix urea-formaldehyde glue, sodium phosphate and alumina at 65°C for 20 minutes;
[0045] Step 3: Add sodium nitrite, sodium sulfonate and sodium benzoate to the mixed material, raise the temperature to 85°C, and stir for 25 minutes;
[0046] Step 4: Add paraffin, hexamethylenetetramine and epoxy resin, heat up to 105°C, stir for 35 minutes, then add dimethyl polysiloxane, ABS and aluminum oxide, heat up to 130°C and stir for 2 h...
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