Normal temperature manufacturing process for MMA high-intensity artificial stone special-shaped pot/trough
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A manufacturing process and artificial stone technology, applied in the field of MMA high-strength artificial stone special-shaped basin/slot room temperature manufacturing process, can solve problems such as high cost and difficult demoulding, and achieve the effects of simple construction, enhanced strength, and increased dosage
Inactive Publication Date: 2009-07-08
SHANGHAI MOERSHU CORP DEVING
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Problems solved by technology
[0009] The technical problem to be solved by the present invention is to provide a MMA high-strength artificial stone special-shaped basin/trough manufacturing process at room temperature, aiming at the shortcomings of high-temperature manuf
Method used
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Embodiment 1
[0023] A manufacturing process of MMA high-strength artificial stone special-shaped pots / troughs at normal temperature, comprising the following steps in sequence: adding MMA resin (methyl methacrylate), quartz sand, accelerator, and curing agent to a mixer for vacuum stirring, and the vacuum degree 8mPa, then extrude and pour into the mold while vibrating, close the mold until the static curing exothermic peak, drop from 100-120°C to 60°C, demould, and the demoulded product is baked in the drying room for 2.5 hours, of which, 30-40 ℃, 0.5 hours; 50~60℃, 0.5 hours; 30~40℃, 0.5 hours; 60℃~90℃, 0.5 hours; 100℃, 1 hour.
[0024] In this embodiment, the quartz sand is composed of 40% 30-60 mesh quartz sand and 60% 60-120 mesh quartz sand. Among them, according to the different color requirements of artificial stone, 35%-40% colored quartz sand is selected.
[0025] In this embodiment, MMA resin and quartz sand are used as main ingredients, the weight ratio of the two is 1:2.6, th...
Embodiment 2
[0032] In this embodiment, the quartz sand is composed of 40% 40-80 mesh quartz sand and 60% 80-120 mesh quartz sand.
[0033] Others are the same as in Example 1.
Embodiment 3
[0035] In this embodiment, the quartz sand is composed of component A and component B mixed in equal amounts, wherein component A is composed of 40% of 40-80 mesh quartz sand and 60% of 80-120 mesh quartz sand Composition; B component is composed of 40% 40-80 mesh quartz sand and 60% 80-120 mesh quartz sand.
[0036] Others are the same as in Example 1.
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Abstract
The present invention discloses a technique for manufacturing MMA high-strength artificial stone special-shaped basin/groove at normal temperature. The methyl methacrylate resin, arenaceous quartz, accelerating agent and solidifying agent are executed with mixing, injection molding and solidifying forming. The mixing is vacuum mixing which is executed in a mixer with a vacuum degree of 8MPa. The vibration is executed while the squeezing is executed for pouring into the mold for completing injection molding. The mould is closed to a static solidifying exothermic peak, and mould removing and baking are executed. The invention aims at the disadvantages of high cost and hard mould removing of prior art. The invention provides a technique for manufacturing MMA high-strength artificial stone special-shaped basin/groove at normal temperature. The cost is reduced on one hand. On the other hand the mechanical property of product is increased. The technique of the invention has the following remarkable effects: adoption of normal temperature pouring for replacing the previous high temperature pouring, low energy consumption and convenient construction; and 2. adoption of vacuum mixing, excellent texture of finished product, and beautiful external appearance.
Description
technical field [0001] The MMA high-strength artificial stone special-shaped pot / trough normal-temperature manufacturing process of the present invention relates to a high-strength artificial stone special-shaped product manufacturing process, and the high-strength artificial stone special-shaped product is manufactured by adopting techniques such as vacuum stirring and normal temperature pouring. Background technique [0002] Artificial stone can be divided into: pure acrylic, composite acrylic and polyester board composite MMA, which is mainly made of unsaturated polyester, adding a certain amount of MMA resin as raw material, combined with aluminum hydroxide filler and vacuum pressed. The stone has good toughness and very little natural cracking. It is used in kitchen sinks and window sills, such as Monterey's Milan stone and Grandi's composite acrylic board; [0003] Pure acrylic MMA: It is mainly made of MMA resin as raw material, mixed with aluminum hydroxide filler an...
Claims
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Application Information
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