Cleaner for molding machines
A detergent and molding machine technology, which is applied to detergent compositions, detergent compounding agents, inorganic non-surface-active detergent compositions, etc., can solve problems such as the loss of raw materials in terms of labor, and achieve easy washing, sufficient washing and replacement, washing Excellent effect of strength and easy replacement
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Examples
Embodiment 1
[0071] (1) Preparation of detergent for forming machine
[0072] An AS resin (referred to as "AS-1" in Table 1) with an MFR of 7 g / 10 minutes and an acrylonitrile content of 32% by mass measured under conditions of a temperature of 220° C. and a load of 98.07 N was mixed with a cone mixer. 80% by mass, and a high-density polyethylene resin with an MFR of 1 g / 10 minutes measured under the same conditions (referred to as "PE-1" in Table 1.) 20% by mass at room temperature (25° C.) for 15 minutes dry blending to prepare detergent for molding machines.
[0073] (2) Forming and washing
[0074] Supply black-colored ABS resin to an Inline type injection molding machine (clamping force: 60 tons) at a temperature of 220°C, repeat the injection operation, and then wash the molding machine obtained in the above (1) The agent is put into the hopper of the molding machine, and the injection operation is repeated. Thereafter, the detergent sprayed from the molding machine was molded int...
Embodiment 2～6
[0078] Using the styrene-based resin and polyethylene resin recorded in Table 1 in the mass ratio recorded in Table 1, the same operation as in Example 1 (1) was used to prepare a molding machine detergent, and in the same manner as in Example 1 (2) and ( 3) Perform the same operation to find the amount of detergent used and the replacement amount of polypropylene resin.
[0079] In addition, AS-2 in Table 1 is an AS resin whose MFR measured under the same conditions as AS-1 is 20 g / 10 minutes, and an acrylonitrile content is 35 mass %. In addition, PE-2 in Table 1 is a high-density polyethylene resin having an MFR of 5 g / 10 minutes measured under the same conditions as PE-1.
[0080] Table 1 shows the results of Examples 1-6.
[0081] Table 1
[0082]
[0083] According to the results in Table 1, regardless of the respective MFRs and respective contents of styrene-based resins and polyethylene resins, the amount of detergent used for molding machines is a small amount of...
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