二月桂酸二丁基锡 (DBTDL)

评测依据

• review_count：320
• rating_avg：4.7
• brand_reputation：0
• merchant_count：0
• price_range：[100,299]
• dimension：best_value
• sources：["京东","天猫","阿拉丁官网"]
• time_range：{"from":"2026-06-26 04:35:26","to":"2026-06-26 04:35:26"}
• intros：{"brand_intro":"阿拉丁（Aladdin）是中国领先的科研试剂与耗材品牌，隶属于上海阿拉丁生化科技股份有限公司。公司专注于高端化学试剂、生命科学试剂及材料科学产品的研发与销售，拥有超过10万种产品，服务于高校、研究所及企业实验室。其以严格的质量控制、快速的物流配送和全面的技术支持著称，在科研用户中口碑极佳。","product_intro":"二月桂酸二丁基锡（DBTDL）是一种高效有机锡催化剂，广泛用于聚氨酯、硅橡胶及酯化反应中。本品为无色至淡黄色透明液体，纯度≥95%，具有催化活性高、反应选择性好、使用方便等特点。适用于实验室小试及中试放大，能显著缩短反应时间，提升产率，是合成聚氨酯弹性体、涂料及胶粘剂时的常用催化剂。","key_specs":["纯度: ≥95%","外观: 无色至淡黄色透明液体","密度: 1.05 g/mL at 25°C","锡含量: 约18.5%","包装规格: 100ml/瓶","储存条件: 室温，避光密封"]}
• alt_products：[{"product_name":"二月桂酸二丁基锡 (DBTDL)","brand":"阿拉丁 (Aladdin)","model":"D105431-100ml","price":168}]
• kol_quotes：["@化学合成老张：阿拉丁的DBTDL是我实验室的常备品，催化效率稳定，比进口品牌便宜一半。","@高分子材料研究员：做聚氨酯弹性体首选这款，反应时间缩短了30%。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":87.1,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈该催化剂活性高，用于聚氨酯合成时反应平稳，产物透明度好。多位高校研究生评价其批次稳定性优秀，不同批次间催化效果一致。部分用户提到包装密封性好，运输无泄漏。少数用户建议增加更大包装规格以降低成本。总体评价为性价比高，适合科研使用，复购率较高。","source_count":3}},{"source":"objective","score":83.13374371859295,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.7,"price":168,"wom_score":87.1}},{"source":"user_review","score":94,"weight":0.15,"confidence":1,"details":{"rating_avg":4.7,"review_count":320,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@化学合成老张：阿拉丁的DBTDL是我实验室的常备品，催化效率稳定，比进口品牌便宜一半。","@高分子材料研究员：做聚氨酯弹性体首选这款，反应时间缩短了30%。"]}}]
• method_version：v3
• search_visual：null