{"id":"wpc-foundations30-article-003-zh-Hans","slug":"wpc-jiti-xuanze","locale":"zh-Hans","url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-jiti-xuanze/","title":"选择WPC基体：PE、HDPE、LDPE、PP、PVC和PS","answer":"基体将复合材料结合为一体，显著影响加工与使用行为。没有任何聚合物缩写能指出适用于所有项目的最佳成品板材。","author":"NFC & WPC Knowledge Reference","faqIds":[],"tagIds":["wpc-taxonomy-tag-hdpe-zh-Hans","wpc-taxonomy-tag-pp-zh-Hans","wpc-taxonomy-tag-pvc-zh-Hans"],"noindex":false,"related":["wpc-foundations30-article-004-zh-Hans","wpc-foundations30-article-005-zh-Hans"],"version":1,"modified":"2026-10-17","reviewer":"","sections":[{"id":"understand-the-polymer-family","text":"PE是聚乙烯；HDPE和LDPE同属这一家族，但分子结构和典型行为不同。PP是聚丙烯，PVC是聚氯乙烯，PS是聚苯乙烯。木粉对加工温度的耐受范围有限，这有助于解释为何WPC广泛使用加工温度相对较低的通用热塑性塑料。[1, 2]\n\nHDPE和PP是木材填充混配料的常见选择。富含LDPE的原料流需要单独进行配方及刚度评估。PVC体系需要适当稳定化和加工控制。PS基研究与产品应根据自身的冲击、加工和应用证据评估，不应假定与聚烯烃露台地板等效。","heading":"了解聚合物家族","references":[1,2],"url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-jiti-xuanze/#understand-the-polymer-family"},{"id":"ask-about-the-finished-formulation","text":"\n\n有关完整配方的询问，请参见下方对照表。","heading":"询问完整配方","references":[],"url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-jiti-xuanze/#ask-about-the-finished-formulation"},{"id":"avoid-two-common-shortcuts","text":"首先，不要把纯树脂数据表中的性能直接套用到填充、发泡或包覆板材。其次，不要把再生等同于弱、原生等同于强。有用的比较应包括可追溯性、污染控制、配方一致性及成品试验。\n\n对于品类经理，商业问题是供应商能否反复交付相同的合格产品。树脂家族名称是对话的起点，而不是结论。","heading":"避免两种常见捷径","references":[],"url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-jiti-xuanze/#avoid-two-common-shortcuts"},{"id":"evidence-scope","text":"[1] 研究章节；组分行为。\n\n[2] 研究章节；木粉及热加工背景。","heading":"证据与来源范围","references":[1,2],"url":"https://woodplasticcomposite.net/zh-hans/guides/wpc-jiti-xuanze/#evidence-scope"}],"seoTitle":"选择WPC基体：PE、HDPE、LDPE、PP、PVC和PS","topicIds":["wpc-taxonomy-topic-matrix-polymers-zh-Hans"],"published":"2026-10-17","tableText":"采购问题 | 询问的理由\n声明的基体是什么？ | 确立材料身份\n再生原料流是否受控？ | 有助于评估批次一致性\n在设计温度下会怎样？ | 将实验室结果与使用条件关联\n试验是否针对所供型材？ | 避免以通用树脂数据代替","takeaways":"","aiAssisted":true,"categoryId":"wpc-foundations30-category-matrix-polymers-zh-Hans","reviewedAt":"","change_note":"译自附有来源的英文基础文章系列。内容为一般技术信息，不构成产品认证。","description":"比较PE、HDPE、LDPE、PP、PVC和PS在WPC中的作用，并提出有关加工、刚度、再生原料及产品证据的实用问题。","heroImageId":"","referenceIds":["wpc-foundations30-i18n-ref-r06","wpc-foundations30-i18n-ref-r07"],"review_status":"本文由人工智能辅助完成。尚未记录人工技术及语言审核。","table_caption":"树脂比较应引向产品特定证据，而非通用排名。","seoDescription":"比较PE、HDPE、LDPE、PP、PVC和PS在WPC中的作用，并提出有关加工、刚度、再生原料及产品证据的实用问题。","translationGroup":"wpc-foundations30-003-2026","references":[{"url":"https://research.fs.usda.gov/treesearch/36721","type":"web","title":"Raw materials for wood-polymer composites; Clemons (2008)","noindex":false,"accessed":"2026-10-15","seoTitle":"Raw materials for wood-polymer composites; Clemons (2008)","publisher":"research.fs.usda.gov","description":"Research chapter; constituent behaviour","seoDescription":"Research chapter; constituent behaviour"},{"url":"https://research.fs.usda.gov/treesearch/38092","type":"web","title":"Wood flour; USDA Forest Products Laboratory","noindex":false,"accessed":"2026-10-15","seoTitle":"Wood flour; USDA Forest Products Laboratory","publisher":"research.fs.usda.gov","description":"Research chapter; wood flour and thermal-processing context","seoDescription":"Research chapter; wood flour and thermal-processing context"}],"faqs":[]}