Popular science on TpR-TpE glue processing technology
Publish Time
2022-09-23
The principle and production technology of foldable TpR-TpE glue. Foldable TpR-TpE glue is made by TPE coating process, and TPE coating has the difference between true coating and false coating. True encapsulation utilizes the compatibility of soft glue and hard glue in the softened melt (compatibility mainly depends on the material solubility parameter SP, the closer the solubility parameter, the better the compatibility of the two materials, and a bonding layer is formed at the contact surface between the hard glue and the soft glue, which greatly improves the bonding ability of TPE soft glue and hard plastic.
Folding TpR-TpE adhesive Principles and production technology. Folded TpR-TpE adhesive is made using TPE coating processing, and TPE coatings have the distinction between true coatings and false coatings. True encapsulation utilizes the compatibility of soft and hard adhesives in a softened melt (compatibility mainly depends on the material solubility parameter SP; the closer the solubility parameters, the better the compatibility of the two materials, forming an adhesive layer at the interface between the hard adhesive and the soft adhesive, greatly enhancing the bonding ability of the TPE soft adhesive to the hard plastic. The compatibility of the two materials hardly involves false adhesive. Through mold and product design, and the arrangement of appearance, through the action of the coupling, the adhesive of the material is mechanically connected together.
The TpR-TpE adhesive injection molding process typically involves fixing the injection-molded hard plastic parts on a plastic mold, and then bonding the TPE soft plastic injection-molded parts to the hard plastic parts at a suitable temperature. After cooling, the product is obtained. The injection molding temperature of the coating varies depending on the hard bonding material of the coating. Because the softening temperatures of both the hard adhesive and the TPE soft adhesive must be considered, this promotes the ability of the two materials to achieve a certain degree of compatibility at the contact surface. In order to achieve the effect of true plastic, the PP injection molding temperature of folded TpR-TpE adhesive TPE plastic is usually around 170-190 degrees Celsius; the coating ABS material is about 220-220℃; the injection molding temperature of the PC coating is slightly higher than that of the ABS coating. For PA nylon, the injection molding temperature reaches around 240 degrees Celsius. Data cables are made of TPE wire materials, but it is a comparison of data cables made with PVC materials and this wire. As well as functionality and feel. Wire TPE as a characteristic of data cables.
Surface effect: The appearance is characterized by matte, glossy, and semi-gloss effects; TPE color: TPE wires are black, natural, and transparent, but common wires on the market include white, black, and light gray, which can be added according to user needs to achieve the desired effect; feel characteristics: Wire TPE can be made into a matte surface effect, or it can be presented as an ordinary surface effect, with a smooth and delicate feel. And it has a wide range of hardness, and can be made super soft, soft, medium, hard, and hard according to user needs.
TPE wire characteristics:
1. Safety performance: The wire TPE is an environmentally friendly material, and the plasticizers added during processing are also non-toxic materials. The final molded material is non-toxic and causes no discomfort to the human body;
2. Environmental protection performance: TPE wire materials are recyclable (waste materials, scrap iron, old products, waste products) from production to final product;
3. Flame retardant performance: Halogen-free flame-retardant wire TPE is truly brilliant and is also suitable for wires (all cables use it);
4. Other properties: Other properties include low-temperature resistance and no cracking. W1000 and W2000 series wires are introduced by Shengjia Rubber and Plastics, and have good resistance to ultraviolet rays (40℃/1100h) and ozone (35℃/100pPHM/200h/21% strain). White wires can pass the UV level four yelination test.
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