EXPANDED POLYMER PELLET

• Main Authors: VOLKER ALTSTADT, SABRINA KERLING, DANIEL STEPHEN PRICE, CHRISTOPHER ROBERTSON, ANGUS WARDLAW, JAN HILL, CHRISTOPHER EDWARD HOLMES, DANIEL RAPS, LE HUU MINH TRU, AMIR FATHI, DHARAN KIRUPANANTHAM, CLEMENS KEILHOLZ, JAMES TARRIER, SMITH PAUL, THOMAS KOPPL
• Format: Patent
• Language: English; Japanese
• Published: 16.12.2021
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHARACTERISTIC FEATURES OF FOOTWEAR; CHEMISTRY; COMPOSITIONS BASED THEREON; FOOTWEAR; GENERAL PROCESSES OF COMPOUNDING; HUMAN NECESSITIES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PARTS OF FOOTWEAR; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

To provide an expanded polymer pellet that can be manufactured in a process range as wide as possible and can be further processed for forming stable parts usable in wide range applications: for example, manufacturing parts having attenuation characteristics and low weight.SOLUTION: The invention relates to a method for manufacturing an expanded polymer pellet, including a step for melting a polymer containing polyamide; a step for adding at least one foaming agent; a step for expanding a molten article through at least one die for manufacturing an expanded polymer; a step for pelleting the expanded polymer.SELECTED DRAWING: Figure 1 【課題】本発明の一目的は、できるだけ広い加工域で製造でき、また、広い範囲の用途に使用できる安定なパーツを形成するために、例えば減衰特性および低重量を有するパーツの製造のために、さらに加工できる、膨張したポリマーペレットを提供することである。【解決手段】本発明は、ポリアミドを含むポリマーを溶融させるステップ；少なくとも１種の発泡剤を加えるステップ；膨張したポリマーを製造するために、溶融物を少なくとも１つのダイを通して膨張させるステップ；および、膨張したポリマーをペレットにするステップ；を含む、膨張したポリマーペレットを製造するための方法に関する。【選択図】図１