Degradable pencil holder, pencil and fabricating method thereof
A manufacturing method and technology of pencils, applied in the direction of penholders, non-active pencils, printing, etc., can solve the problems of waste of high-quality wood, fragile pencils, high production costs, etc., and achieve the effects of reducing lead breakage, reducing wood consumption, and low cost
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Embodiment 1
[0027] Embodiment one: polyhydroxyalkanoate adopts poly-β-hydroxybutyrate; Starch adopts cornstarch; Cross-linking agent adopts dioctyl ester; Diol=1:2.
Embodiment 2
[0028] Embodiment two: polyhydroxyalkanoate adopts polylactic acid; Starch adopts sweet potato starch; Cross-linking agent adopts dibutyl ester; Plasticizer adopts the mixture of glycerol and ethylene glycol, and weight ratio is: glycerol: ethylene glycol=1: 2.
Embodiment 3
[0029] Embodiment three: polyhydroxyalkanoate adopts polycaprolactone; Starch adopts tapioca starch; Cross-linking agent adopts the mixture of dioctyl ester and dibutyl ester, and weight ratio is: dioctyl ester: dibutyl ester=1: 1; The plasticizer is a mixture of glycerin and ethylene glycol, and the weight ratio is: glycerol: ethylene glycol = 1:2.
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