计算工具 · Calculator

润滑油四酯收率计算器

Name: Pentaerythritol Weekly Price Dataset · 季戊四醇周度价格数据集
Creator: PentaPrice
License: https://creativecommons.org/licenses/by-nc/4.0/

Pentaerythritol Tetraester Yield Calculator · 季戊四醇与脂肪酸酯化反应收率估算

免费工具 · Free Tool

反应原理 · Chemistry

季戊四醇（MW = 136.15 g/mol）与4分子脂肪酸在催化剂作用下发生酯化反应，生成四酯（多元醇酯基础油）并脱出4分子水：

PE + 4 R-COOH → PE(OOCR)₄ + 4 H₂O

Pentaerythritol tetraester is the base oil for polyol ester (POE) synthetic lubricants used in aviation, refrigeration, and automotive applications.

输入参数 · Inputs

PE 用量Pentaerythritol amount

脂肪酸种类Fatty acid type

MW = 144.21 g/mol摩尔比 (脂肪酸 : PE)Molar ratio (acid : PE)

: 1

PE 纯度PE purity

当前 PE 参考价 (98%，到厂含税)Current PE ref. price (98%, EXW incl. VAT)¥13,500–14,000/吨查看最新行情 →

Week 15, 2026

脂肪酸需求量Fatty acid required

435.97kg

理论四酯产量Theoretical tetraester yield

461.34kg

脱水量（缩合水）Condensation water removed

51.87kg

过量酸回收量（可循环利用）Excess acid recoverable (distillation recycle)

20.76kg

实际预估产量 (收率 95%)Practical yield (η = 0.95, incl. distillation loss)

438.27kg

当前 PE 原料成本PE feedstock cost (grade 98% low)

¥1,350

四酯理论分子量 Tetraester MW：640.9 g/mol

计算结果仅供参考，实际收率受反应温度、催化剂、真空度等条件影响。
Results are for reference only; actual yield depends on reaction conditions. 数据来源：PentaPrice

MW 分子量 Molecular Weight (g/mol)摩尔比 脂肪酸投料相对PE的摩尔过量比理论收率 基于化学计量的最大产量实际收率 理论量 × 0.95（经验系数）EXW 出厂价，含增值税

查看当周市场行情，或直接联系我们获取出厂价。
Check current market prices or contact us for EXW quotes.