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An anti-aging and table board technology, applied in the field of table boards, can solve the problems of poor aging resistance of high-density polyethylene, low resistance to environmental stress cracking, short service life of table boards, etc., and achieves improved aging resistance and excellent emulsification. and dispersion, the effect of improving structural strength
Inactive Publication Date: 2018-06-05
ZHEJIANG SANMEN HONGQIAO RUBBER & PLASTIC TECH CO LTD
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Problems solved by technology
[0005] High-density polyethylene has poor aging resistance and low environmental stress cracking resistance, especially thermal oxidation will reduce its performance, which will lead to the defects of poor aging resistance of the table made of high-density polyethylene, which will lead to The service life of the table board is short and needs to be improved
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Embodiment 1
[0030] Example 1: An anti-aging table top, the components and parts by weight in the raw materials are shown in Table 1. The preparation method of anti-aging table board comprises the following steps,
[0031] Step 1, heat and melt high-density polyethylene, put in calcium carbonate, color masterbatch, polydimethylsiloxane, anti-aging agent RD, polybenzimidazole, dodecyl phosphate triethanolamine and tributyl phosphate, fully Stir to obtain the embryo body,
[0032] Step 2, sending the embryo body into the mold for pre-blowing and stretching, and then performing high-pressure blow molding,
[0033] Step 3, exhaust and obtain the finished product.
Embodiment 2
[0034] Example 2, an anti-aging table top, differs from Example 1 in that the components and parts by weight in the raw materials are shown in Table 1.
Embodiment 3
[0035] Embodiment 3: An anti-aging table top, the components and parts by weight in the raw materials are shown in Table 1. The preparation method of anti-aging table board comprises the following steps,
[0036] Step 1: Heat and melt high-density polyethylene, add calcium carbonate, color masterbatch, polydimethylsiloxane, anti-aging agent RD, dodecyl phosphate triethanolamine and tributyl phosphate, and stir fully to obtain an embryo body ,
[0037] Step 2, sending the embryo body into the mold for pre-blowing and stretching, and then performing high-pressure blow molding,
[0038] Step 3, exhaust and obtain the finished product.
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Abstract
The invention discloses an anti-aging table-board. In parts by weight, raw materials are prepared from the following components: 100 to 250 parts of high density polyethylene, 20 to 120 parts of calcium carbonate, 1 to 10 parts of master batch, 1 to 10 parts of antifoaming agent and 1 to 10 parts of anti-aging agent RD, wherein the anti-foaming agent is prepared from polydimethylsiloxane. Throughadopting the technical scheme, the anti-aging agent RD is a 2,2,4-trimethyl-1,2-dihydroquinoline polymer, is a chain breaking anti-aging agent, can be used for inhibiting oxidation, and is used for improving the anti-aging performance of the table-board. The polydimethylsiloxane is the anti-foaming agent, can be used for preventing the interior of the table-board from forming an air bubble in a blow molding process, and further, the structural strength of the table-board is improved.
Description
technical field [0001] The present invention relates to a table top, more particularly, relates to an anti-aging table top. Background technique [0002] Folding table is a table with folding function. Because the folding table is easy to fold and transport, it is often seen in temporary hospitality places such as banquets, conferences, and exhibitions. It has become an indispensable furniture for hotels, exhibitions, etc. . A folding table consists of folding legs and a top, usually made of formwork and plastic. [0003] Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. In the prior art, in order to reduce the weight of the plastic table top, the blow molding method is also used to produce the internal hollow table top, which further improves the characteristics of the folding table being easy to transport. [0004] The Chinese patent with the publication number CN106221262A discloses a wear-resistant wood-plastic materia...
Claims
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Application Information
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