PBT (polybutylene terephthalate) enhanced flame-retardant laser printing material and preparation method thereof
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A laser printing and PBT resin technology, applied in the field of PBT reinforced flame retardant laser printing materials and their preparation, can solve the problems of easy decomposition, discoloration, high requirements, etc., and achieve the effect of clearly visible fonts
Active Publication Date: 2015-03-25
JIANGYIN JIHUA NEW MATERIAL
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Problems solved by technology
Generally, the high temperature resistance of PBT engineering plastics obtained after modification can meet the high temperature requirements of laser printing materials, but it cannot meet the requirements of white fonts on a black base, so related products at home and abroad are made of other engineering plastics. Such as polyvinyl ch...
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Embodiment 1
[0036] A PBT enhanced flame-retardant laser printing material, its raw material includes the following materials by weight:
[0037] 45 parts of PBT resin
[0038] PBT laser powder 2 parts
[0039] Flame retardant 15 parts
[0040] Antioxidant 0.2 parts
[0041] Flow aid 0.2 parts
[0042] Release agent 0.1 parts
[0043] Toughener 8 parts
[0044] Glass fiber 29.5 parts
[0045] The PBT laser powder is manufactured by Sanlaser TM 9015 laser powder, laser marking powder JLJ-36, Merck 8835# radium engraving powder are mixed, the mixing mass ratio of the three is: 0.1:1:1;
[0046] Laser marking aid (laser marking powder) JLJ-36; Laser type: CO2 laser, fiber laser, Nd:Q switch laser; Recommended polymer: PC.PBT.PA.PP.PE.TPE; Color marking: White; pigment color: black; particle size <15μm.
[0047] Merck 8835# radium carving powder is 8835# radium carving powder for Merck black material;
[0048] The Sanlaser TM 9015 laser powder is an organic metal complex, laser dir...
Embodiment 2
[0071] In embodiment 2, described PBT laser powder is made of Sanlaser TM 9015 laser powder, laser marking powder JLJ-36, and Merck 8835# radium engraving powder are mixed, and the mixing mass ratio of the three is: 0.2:1:2.
Embodiment 3
[0072] In Example 3, Sanlaser TM The mixing mass ratio of 9015 laser powder, laser marking powder JLJ-36 and Merck 8835# radium engraving powder is 0.5:5:1.
[0073] The materials of each embodiment are under the black base, and the white characters printed by laser are clear and not easy to wear.
[0074] The trial-produced product of embodiment 1 will reach technical index and see table 2:
[0075] Table 2:
[0076]
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Abstract
The invention relates to a PBT (polybutylene terephthalate) enhanced flame-retardant laser printing material. The PBT enhanced flame-retardant laser printing material comprises the following raw materials: PBT resin, PBT laser powder, a flame retardant, an antioxidant, a flow aid, a demolding agent, 5%-8% of a toughening agent and glass fibers. The PBT enhanced flame-retardant laser printing material is prepared by the steps of feeding dried PBT into a double-screw extruder from the first section of a cylinder body, mixing the flame retardant, the PBT laser powder, the antioxidant, the flow aid, the demolding agent and the toughening agent by virtue of a high-speed mixer, adding the mixture into the double-screw extruder from the fourth section of the cylinder body by virtue of a proportioning feeding machine, simultaneously adding the glass fibers, and after blending materials by virtue of the double-screw extruder, carrying out extruding, cooling, particle dicing and measurement packing. The PBT enhanced flame-retardant laser printing material can resist high temperature and can be used for printing white fonts on a black substrate by virtue of laser, and the fonts are clear.
Description
technical field [0001] The invention relates to a PBT enhanced flame-retardant laser printing material and a preparation method thereof. Mainly used in the field of electrical components that generate heat. Background technique [0002] Polybutylene terephthalate (PBT) is a high molecular polymer obtained by esterification and polycondensation of terephthalic acid (TPA) and 1.4-butanediol (BDO). PBT is a milky white translucent to opaque, crystalline thermoplastic polyester. It has high heat resistance, toughness, fatigue resistance, self-lubricating, low friction coefficient, weather resistance, low water absorption rate of only 0.1%, and still maintains various physical properties (including electrical properties) and electrical insulation in a humid environment, but Large volume resistance and dielectric loss, resistance to hot water, alkalis, acids, oils, but easily corroded by halogenated hydrocarbons, poor hydrolysis resistance, rapid crystallization at low temperatu...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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