Calcium carbonate filled master batch modified master batch for toughening and increasing tensile force in high-speed wire drawing and preparation method of calcium carbonate filled master batch modified master batch

Abstract

The invention belongs to the technical field of weaving wire drawing, and particularly relates to a calcium carbonate filled modified master batch for toughening and increasing tensile force in high-speed wire drawing and a preparation method of the calcium carbonate filled modified master batch. Aiming at the problems that the existing calcium carbonate master batch is easy to break and the tensile force is reduced after being added, the invention discloses the calcium carbonate filled master batch for toughening and increasing the tensile force in the high-speed wire drawing, and the calcium carbonate filled master batch comprises the following components in percentage by mass: 70-80% of calcium carbonate powder, 2-3% of paraffin, 1-2% of polyethylene wax, 1-2% of aluminate coupling agent, 0.5-1% of zinc stearate, 0.1-0.2% of antioxidant and 4-8% of polypropylene powder. The invention further discloses a preparation method of the modified master batch for toughening and increasing tensile force during high-speed wire drawing, and the preparation method comprises the following steps: A, preparing and weighing raw materials; b, high-speed mixing machine treatment; c, cooling; d, mixing and extruding; and E, manufacturing a finished product. The invention has the following beneficial effects: (1) the raw materials have wide sources and low prices, and the toughness and tension of the product are effectively increased while the same addition amount of the filling master batch with the same price is achieved; (2) the formula provided by the invention is scientific and reasonable in design, and the calcium carbonate master batch is environment-friendly, pollution-free, good in flowing property, easy to disperse and not easy to break and split.

Description

Technical Field

[0001] The invention belongs to the technical field of braided wire drawing, and in particular relates to a modified masterbatch filled with calcium carbonate for high-speed wire drawing to increase toughness and tensile force, and a preparation method thereof. Background Art

[0002] With the continuous improvement of plastic weaving technology, calcium carbonate masterbatch is used as filler to reduce costs and environmental pollution. However, in the process of adding, the calcium carbonate masterbatch is not well dispersed and the powder mesh size is unbalanced, which will lead to broken wires and decreased tensile force. In the weaving process, problems such as wire splitting and powder loss are prone to occur, which will affect the quality of the product. Summary of the invention

[0003] Technical issues to be solved

[0004] The invention overcomes the problem of easy wire breakage and reduced pulling force after the addition of the existing calcium carbonate masterbatch. The technical problem to be solved by the invention is to provide a modified masterbatch filled with calcium carbonate for high-speed wire drawing to increase the toughness and tensile force, so as to achieve the purpose of toughening the calcium carbonate masterbatch and increasing the tensile force.

[0005] Technical Solution

[0006] In order to solve the above technical problems, the present invention provides a calcium carbonate filled masterbatch for high-speed drawing toughening and increasing tensile force modified masterbatch, which is a polymer modified masterbatch mixed with a Tianjian main machine with calcium carbonate powder as the main body; the components and mass percentages of the calcium carbonate modified masterbatch are: calcium carbonate powder 70-80%, paraffin 2-3%, polyethylene wax 1-2%, aluminate coupling agent 1-2%, zinc stearate 0.5-1%, antioxidant 0.1-0.2%, polypropylene powder 4-8%, polypropylene particles 6-10%, thermoplastic elastomer 1-2%, wherein the calcium carbonate powder has a powder diameter of 800-1250 meshes, and the polypropylene powder adopts a powder with a melt index of 3.0-4.5.

[0007] The method for preparing the modified masterbatch of calcium carbonate filled masterbatch for high-speed wire drawing toughening and increasing tensile force comprises the following steps:

[0008] A. Prepare raw materials and weigh: Prepare raw materials according to the formula of calcium carbonate masterbatch, calcium carbonate powder 70-80%, paraffin 2-3%, polyethylene wax 1-2%, aluminate coupling agent 1-2%, zinc stearate 0.5-1%, antioxidant 0.1-0.2%, polypropylene powder 4-8%, polypropylene particles 6-10%, thermoplastic elastomer 1-2%;

[0009] B. High-speed mixer treatment: This process is completed in a mixer. The materials are put in batches at a time. First, add calcium carbonate powder and aluminate coupling agent and stir for 5-10 minutes. After the temperature reaches 100 degrees, add paraffin, polyethylene wax, zinc stearate, antioxidant, polypropylene powder, polypropylene particles, and thermoplastic elastomer at the same time. When the temperature reaches 165 degrees, the mixed powder is obtained.

[0010] C. Cooling: releasing the powder mixed and stirred in step B into a cooling mixer;

[0011] D. Mixing and extrusion: The mixed material in the cooling mixer is melted by a three-screw extruder, and the mixed and stirred powder is fully mixed in the screw and evenly dispersed;

[0012] E. Manufacturing finished products: The powder mixed in step D is subjected to water ring cutting, vibrating sieve counting and quantitative weighing to obtain the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The production process flow chart of calcium carbonate filled masterbatch for high-speed wire drawing to increase toughness and tensile strength

[0014] Beneficial Effects

[0015] 1. The calcium carbonate filling masterbatch provided by the present invention is used for high-speed wire drawing to increase toughness and tensile strength. The modified masterbatch can be applied to high-speed wire drawing fillers; the raw materials of the present invention are widely available and cheap, which can greatly reduce the cost of wire drawing products, improve product quality, and thus reduce the cost of wire drawing plants;

[0016] 2. The formula design provided by the present invention is scientific and reasonable, the calcium carbonate masterbatch is environmentally friendly and pollution-free, easy to disperse, and can enhance the toughness and tensile strength of the wire drawing product without the risk of wire splitting.

[0017] 3. The preparation method provided by the present invention has a simple production process, requires little equipment investment, is easy to implement, and can quickly produce calcium carbonate filled masterbatch for high-speed wire drawing to increase toughness and tensile strength. The output of one machine can reach 40 tons per day.

Claims

1. A calcium carbonate filled masterbatch is used for high-speed drawing to increase toughness and tensile strength, characterized in that: The components and mass percentages of calcium carbonate masterbatch are as follows: calcium carbonate powder 70-80%, paraffin wax 2-3%, polyethylene wax 1-2%, aluminate coupling agent 1-2%, zinc stearate 0.5-1%, antioxidant 0.1-0.2%, polypropylene powder 4-8%, polypropylene particles 6-10%, thermoplastic elastomer 1-2%.

2. The calcium carbonate filled masterbatch according to claim 1 is used for the modified masterbatch for high-speed wire drawing to increase toughness and tensile strength, characterized in that: The diameter of calcium carbonate powder is 800-1250 mesh.

3. The calcium carbonate filled masterbatch according to claim 1 is used for the modified masterbatch for high-speed wire drawing to increase toughness and tensile strength, characterized in that: Polypropylene powder and granules use powder with a melt index of 3.2-4.

5.

4. A modified masterbatch of calcium carbonate filler as claimed in claim 1 for high-speed wire drawing to increase toughness and tensile strength, characterized in that: The steps include: A. Prepare raw materials and weigh: Prepare raw materials according to the formula of calcium carbonate masterbatch, calcium carbonate powder 70-80%, paraffin wax 2-3%, polyethylene wax 1-2%, aluminate coupling agent 1-2%, zinc stearate 0.5-1%, antioxidant 0.1-0.2%, polypropylene powder 4-8%, polypropylene particles 6-10%, thermoplastic elastomer 1-2%; B. High-speed mixer treatment: This process is completed in a mixer. The materials are put in batches at a time. First, add calcium carbonate powder and aluminate coupling agent and stir for 5-10 minutes. After the temperature reaches 100 degrees, add paraffin, polyethylene wax, zinc stearate, antioxidant, polypropylene powder, polypropylene particles, and thermoplastic elastomer at the same time. When the temperature reaches 165 degrees, the mixed powder is obtained. C. Cooling: releasing the powder mixed and stirred in step B into a cooling mixer; D. Mixing and extrusion: The mixed material in the cooling mixer is melted by a three-screw extruder, and the mixed and stirred powder is fully mixed in the screw and evenly dispersed; E. Manufacturing finished products: The powder mixed in step D is subjected to water ring cutting, vibrating sieve counting and quantitative weighing to obtain the finished product.

5. The calcium carbonate filled masterbatch according to claim 4 is used for the modified masterbatch for high-speed wire drawing to increase toughness and tensile strength, characterized in that: The three-screw extruder is divided into 4 temperature zones, and the set temperature of each zone is: Zone 1 180-190 degrees, Zone 2 190-200 degrees, Zone 3 210 degrees, Zone 4 190 degrees.

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