High-rigidity high-heat-resistance homo-polypropylene material and preparation method thereof
A technology of homopolypropylene and high heat resistance, which is applied in the field of preparation of high rigidity and high heat resistance homopolypropylene materials, which can solve problems such as inability to assemble and use, affect normal use of products, and high shrinkage and warpage of products, and achieve Good melt fluidity and rigidity, reduced shrinkage and warpage, and high isotactic index
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Embodiment 1
[0023] Embodiment one: the preparation of homopolypropylene resin:
[0024] 1. The raw materials for the production of base resin are the following substances:
[0025] 1) Polymer grade propylene
[0026] project purity% Water content 10 -6 CO content10 -6 CO 2 Content 10 -6 index ≥99.35 ≤5 ≤0.2 ≤4
[0027] 2) Catalyst DQC-401, cocatalyst TEAL, electron donor DONOR, antistatic agent Atmer163
[0028] 3) Hydrogen
[0029] project purity% Water content 10 -6 CO content10 -6 Total Sulfur Content10 -6 index ≥95 ≤5 ≤5 ≤1
[0030] Add propylene to the loop reactor, and add catalyst DQC-401, cocatalyst triethylaluminum (TEAL), electron donor DONOR, antistatic agent Atmer163. Among them: catalyst DQC-401 is added according to the output of 40kg / ton; TEAL / C 3 (Propylene) = 0.16; TEAL / DONOR=10; antistatic agent Atmer163 is 2~3kg / h. Stir evenly, control the reaction temperature in the loop reactor to 70±1°C, the re...
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