| abstract |
The preparation method of a kind of TPO foam microspheres and application, it relates to material science.Its weight ratio formula is: polyolefin elastomer 20 30 parts, metallocene PE 10 15 parts, styrene butadiene block copolymer 10 15 parts, foaming agent 5 30 parts, cross-linking agent 1.5 5.5 parts, grafting auxiliary agent 15 parts, processing aid 58 parts.Its preparation method is: the preparation of foaming master batch；Prepared by TPO foam microspheres；Foam microspheres bonds；Mold sizing.It uses quaternary that (PP/MPE/POE/SEBS) and chemical crosslinking modified method are blended, PP is carried out blended cross linking simultaneously modified, orthogonal experiment is utilized to have studied the modified formula of PP, analyze foam performance and the mechanical property of modified PP, prepare the TPO foamed plastic with excellent properties, extrude continuously, simple to operate, expansion ratio is high, and bubble is uniform, and uses viscose glue cast form to prepare finished product. |