One-shot forming process for preparing split-blip brush wire

Abstract

The invention relates to a method for preparing dual-sharp printing wires by one time. The invention comprises that sheathing a film outside the polyester wires to form wire beam to be cut into wire cake; packing the wire cake by the politef coat, and be tied by the beam; immerging the wire cake in the processing liquid of shaping kettle, for 25-35min at 115-128Deg. C, while the processing liquid is formed by mixing caustic soda, caustic potash, or lithium hydrate and water, and the processing liquid is added as 28-42%; taking out the wire cake, removing the coat, washing in water to remove the left liquid and corrosion material, arranging into fixed support to be dewatered by dewatering machine, dried or baked by bake oven to be packed into final product. The invention has high efficiency and low cost, without pollution.

Description

Technical field: [0001] The invention relates to a method for preparing brush filaments, in particular to a method for preparing double-pointed brush filaments at one time. Background technique: [0002] The head of the toothbrush wire is usually a flat head. During the brushing process of this toothbrush, because the brush wire is relatively thin and the rigidity is relatively poor, it is difficult to remove the tartar or dirt stuffed in the gaps between the teeth, and it is difficult to effectively clean the oral cavity. With the advancement of science and technology and social development, people have introduced pointed brush filaments in recent years. When this kind of brush filaments are used to make toothbrushes, they can clean the tartar and dirt in the gaps between the teeth, thus being welcomed by consumers. . [0003] At present, this pointed brush filament is melt-spun with nylon or copolyester or polyester or copolyester, and after heat setting, it is prepackage...