阅读说明：本技术 一种研磨刷用高强度纳米刷丝及其制备工艺 (High-strength nanometer brush wire for grinding brush and preparation process thereof ) 是由 郑清江 郑晓晶 陈龙辉 于 2020-06-30 设计创作，主要内容包括：本发明属于纳米刷丝及其生产工艺技术领域,尤其涉及一种研磨刷用高强度纳米刷丝及其制备工艺。一种研磨刷用高强度纳米刷丝,包括以下重量份的原料：碳化硅纤维30-50份、相溶剂4-8份、玻璃纤维25-30份、增强聚碳酸酯2-3份等。本发明中碳化硅纤维由于具有较高的耐腐蚀性、高韧性的特性,且又由于玻璃纤维的绝缘性好、机械强度好的特性,使得两者相合熔融,可以使得刷毛具有高韧性、高强度的特性,且通过合理的重量份配料拉出的刷毛,可以使得刷毛丝得到合理的结构组成,从而促进刷毛丝具有合理的结构分配,达到高质的效果；本发明通过原料按比例的混合、熔融、冷却、拉丝的步骤就可以产生刷毛丝,生产工艺合理,且效率高。(The invention belongs to the technical field of nanometer brush wires and production processes thereof, and particularly relates to a high-strength nanometer brush wire for a grinding brush and a preparation process thereof. A high-strength nanometer brush wire for a grinding brush comprises the following raw materials in parts by weight: 30-50 parts of silicon carbide fiber, 4-8 parts of phase solvent, 25-30 parts of glass fiber, 2-3 parts of reinforced polycarbonate and the like. According to the invention, the silicon carbide fiber has the characteristics of higher corrosion resistance and high toughness, and the glass fiber has the characteristics of good insulating property and good mechanical strength, so that the silicon carbide fiber and the glass fiber are fused together, the bristles have the characteristics of high toughness and high strength, and the bristles drawn out through reasonable weight parts of ingredients can obtain reasonable structural composition of the bristle filaments, so that the bristle filaments are promoted to have reasonable structural distribution, and a high-quality effect is achieved; the invention can produce the brush hair silk by the steps of mixing, melting, cooling and wire drawing of the raw materials according to the proportion, and has reasonable production process and high efficiency.)

1. The high-strength nanometer brush wire for the grinding brush is characterized by comprising the following raw materials in parts by weight:

30-50 parts of silicon carbide fiber, 4-8 parts of phase solvent, 25-30 parts of glass fiber, 2-3 parts of reinforced polycarbonate, 2-3 parts of polybutylene terephthalate, 1-2 parts of dispersing agent, 20-30 parts of nano negative ion liquid, 3-6 parts of antibacterial reinforcing agent, 3-6 parts of white oil, 1.5-2.5 parts of initiator and 0.5-1.5 parts of low-shrinkage additive.

2. The high-strength nanometer brush wire for the grinding brush according to claim 1, which is characterized by comprising the following raw materials in parts by weight:

32 parts of silicon carbide fiber, 4 parts of phase solvent, 28 parts of glass fiber, 2 parts of reinforced polycarbonate, 2 parts of polybutylene terephthalate, 1 part of dispersing agent, 20 parts of nano-anion liquid, 3 parts of antibacterial reinforcing agent, 3 parts of white oil, 2.5 parts of initiator and 0.5 part of low-shrinkage additive.

3. A high-strength nano brush wire for a grinding brush according to claim 1, wherein said dispersant is one of stearic acid, ethylene bis stearamide, and glyceride.

4. The high-strength nanometer brush wire for the grinding brush as claimed in claim 1, wherein the compatilizer is one of maleic anhydride graft modified SEBS, maleic anhydride graft modified POE and polyacrylate.

5. The process for preparing high-strength nano brush filaments for an abrasive brush according to any one of claims 1 to 4, comprising the steps of:

i. weighing the following raw materials in parts by weight:

ii, adding the raw materials except the silicon carbide fiber and the glass fiber into a high-speed stirrer, and stirring the raw materials at different high-speed stirrer rotating speeds within three time periods, wherein the three time periods are respectively within 30min, 30min-45min and 45min-60min, and the rotating speeds of the time periods are respectively 200-230r/min, 500-600r/min and 1000-1200r/min in sequence to obtain a mixture;

melting silicon carbide fibers and glass fibers, cooling, and kneading in a kneader for 10-15min to obtain a kneaded material;

kneading the mixture and the kneading material in a kneading machine for 30-40min to obtain a master batch;

v. extruding the master batch by a double screw, melting and dispersing the master batch, then cutting and cooling to obtain the high-strength nanometer brush wire for the grinding brush.

6. The high-strength nanometer brush wire for the grinding brush as claimed in claim 5, wherein the melting temperature in step v is 1000-1200 ℃.

Technical Field

The invention belongs to the technical field of nanometer brush wires and production processes thereof, and particularly relates to a high-strength nanometer brush wire for a grinding brush and a preparation process thereof.

Background

Brushes fall into the industry category of hardware tools, and their use in this industry is therefore undoubted. Specifically, the hairbrush products used in the hardware and building material industry include iron bar hairbrushes, pipeline brushes, nylon polishing brushes, other material polishing brushes, roller brushes, wire brush rollers, spring brush rollers, brick making machine hairbrushes, color tile machine hairbrushes, baking-free brick machine scrubbing brushes and the like. Brushing, a textile term, is to remove impurities on the surface of a fabric or to make the fluff of the fabric more plump and tidy by a method of extruding monofilaments to make a spiral shape or a method of rotating a roller on the fabric or other objects by using a brushing machine. The brush hair is identified as sanding and plucking. Not only the fabric is ground to obtain fluff by the licker-in, but also the fluff is combed to be tidy. Are all processing techniques adopted in the after finishing of textiles.

The existing nanometer brush has poor strength and toughness, the service life is influenced, in addition, the production efficiency of the existing nanometer brush wire is low, and the quality of the nanometer brush wire production is low, so that the research and development of the high-strength nanometer brush wire for the grinding brush and the preparation process thereof, which have the advantages of high strength, high toughness, high production efficiency and high production quality, are urgently needed.

Disclosure of Invention

The invention provides a high-strength nanometer brush wire for a grinding brush, which has the advantages of high strength, high toughness, high production efficiency and high production quality, and a preparation process thereof, in order to overcome the defects that the strength and the toughness of the existing nanometer brush are poor, the service life of the existing nanometer brush wire is influenced, in addition, the production efficiency of the existing nanometer brush wire is low, and the quality of the produced nanometer brush wire is low.

The invention is achieved by the following specific technical means:

a high-strength nanometer brush wire for a grinding brush comprises the following raw materials in parts by weight:

30-50 parts of silicon carbide fiber, 4-8 parts of phase solvent, 25-30 parts of glass fiber, 2-3 parts of reinforced polycarbonate, 2-3 parts of polybutylene terephthalate, 1-2 parts of dispersing agent, 20-30 parts of nano negative ion liquid, 3-6 parts of antibacterial reinforcing agent, 3-6 parts of white oil, 1.5-2.5 parts of initiator and 0.5-1.5 parts of low-shrinkage additive.

Further, the high-strength nanometer brush wire for the grinding brush comprises the following raw materials in parts by weight:

32 parts of silicon carbide fiber, 4 parts of phase solvent, 28 parts of glass fiber, 2 parts of reinforced polycarbonate, 2 parts of polybutylene terephthalate, 1 part of dispersing agent, 20 parts of nano-anion liquid, 3 parts of antibacterial reinforcing agent, 3 parts of white oil, 2.5 parts of initiator and 0.5 part of low-shrinkage additive.

Further, the dispersing agent is one of stearic acid, ethylene bis stearamide and glyceride.

Further, the compatilizer is one of maleic anhydride graft modified SEBS, maleic anhydride graft modified POE and polyacrylate.

A preparation process of high-strength nanometer brush filaments for a grinding brush comprises the following steps:

i. weighing the following raw materials in parts by weight:

ii, adding the raw materials except the silicon carbide fiber and the glass fiber into a high-speed stirrer, and stirring the raw materials in three time periods with different high-speed stirrer rotating speeds within 30min, 30min-45min and 45min-60min, wherein the rotating speeds of the time periods are respectively 230r/min, 500 + 600r/min and 1000 + 1200r/min in sequence to obtain a mixture;

melting silicon carbide fibers and glass fibers, cooling, and kneading in a kneader for 10-15min to obtain a kneaded material;

kneading the mixture and the kneading material in a kneading machine for 30-40min to obtain a master batch;

v. extruding the master batch by a double screw, melting and dispersing the master batch, then cutting and cooling to obtain the high-strength nanometer brush wire for the grinding brush.

Further, the melting temperature in the steps iii and v is 1000-.

Compared with the prior art, the invention has the following beneficial effects:

the invention achieves the effects of high strength, high toughness, high production efficiency and high production quality.

1. The silicon carbide fiber has the characteristics of higher corrosion resistance and high toughness, and the glass fiber has the characteristics of good insulating property and good mechanical strength, so that the silicon carbide fiber and the glass fiber are combined and melted, the bristles have the characteristics of high toughness and high strength, and the bristle filaments can be reasonably composed by reasonably proportioning the drawn bristles by weight, so that the bristle filaments are promoted to have reasonable structural distribution, and a high-quality effect is achieved.

2. The invention can produce the brush hair silk by the steps of mixing, melting, cooling and wire drawing of the raw materials according to the proportion, and has reasonable production process and high efficiency.

Detailed Description

The invention is further described with reference to the following examples: