An environmentally friendly imitation wood plastic pencil
A wood and plastic imitation technology, applied in non-moving pencils, printing, writing utensils, etc., can solve the problems of inconsistency, consumption, large wood resources, etc., and achieve the effect of prolonging the service life, protecting the ecological environment, and having a high degree of automation
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Embodiment 1
[0036] An environmentally friendly wood-like plastic pencil, comprising a pen holder 1, a pen core 4, a pen cover 3, and an eraser tip 2, wherein: the pen holder contains the following raw materials in parts by weight: polystyrene 50kg, talcum powder 50kg, titanium dioxide 2.6kg, hard Zinc fatty acid 0.3kg, calcium stearate 1.3kg, pigment 2kg;
[0037] The refill contains the following raw materials in parts by weight: polystyrene 80kg, talcum powder 15kg, thermoplastic elastomer SBS 15kg, graphite 80kg, zinc stearate 0.2kg, calcium stearate 1.3kg;
[0038] The pen cover contains the following raw materials in parts by weight: 90kg of polystyrene, 27kg of thermoplastic elastomer SBS, and 13kg of pigment.
[0039] The preparation technology of environment-friendly imitation wood plastic pencil comprises the following steps:
[0040] (1) Pen core granulation: Heat the internal mixer to 160°C, start it, then add the components of the lead core that have been proportioned, mix ev...
Embodiment 2
[0051]An environmentally friendly wood-like plastic pencil, comprising a pen holder 1, a pen core 4, a pen cover 3, and an eraser tip 2, wherein: the pen holder contains the following raw materials in parts by weight: polystyrene 50kg, talcum powder 50kg, titanium dioxide 2.6kg, hard Zinc fatty acid 0.3kg, calcium stearate 1.3kg, pigment 2kg, additive 3kg;
[0052] The refill contains the following raw materials in parts by weight: polystyrene 80kg, talcum powder 15kg, thermoplastic elastomer SBS 15kg, graphite 80kg, zinc stearate 0.2kg, calcium stearate 1.3kg;
[0053] The pen cover contains the following raw materials in parts by weight: 90kg of polystyrene, 27kg of thermoplastic elastomer SBS, and 13kg of pigment.
[0054] The preparation method of the additive in the pen holder is as follows: first prepare 10kg of polyglutamic acid into a saturated solution with 25°C deionized water, add 10% sulfuric acid solution dropwise to adjust the pH value to 4.5, then add 6kg of β-c...
Embodiment 3
[0067] An environmentally friendly wood-like plastic pencil, comprising a pen holder 1, a pen core 4, a pen cover 3, and an eraser tip 2, wherein: the pen holder contains the following raw materials in parts by weight: polystyrene 50kg, talcum powder 50kg, titanium dioxide 2.6kg, hard Zinc fatty acid 0.3kg, calcium stearate 1.3kg, pigment 2kg, additive 5kg;
[0068] The refill contains the following raw materials in parts by weight: polystyrene 80kg, talcum powder 15kg, thermoplastic elastomer SBS 15kg, graphite 80kg, zinc stearate 0.2kg, calcium stearate 1.3kg;
[0069] The pen cover contains the following raw materials in parts by weight: 90kg of polystyrene, 27kg of thermoplastic elastomer SBS, and 13kg of pigment.
[0070] The preparation method of the additive in the pen holder is as follows: first prepare 10kg of polyglutamic acid into a saturated solution with 25°C deionized water, add 10% sulfuric acid solution dropwise to adjust the pH value to 4.5, then add 6kg of β-...
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