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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 259382Generated: October 26, 2026

Water → Pentaerythritol

https://huagongshe.com/reaction/259382

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTrimethylolpropaneHCID 6510—
ReactantCaprolactamHCID 7768—
ProductPentaerythritolHCID 8285—

Reaction Steps

Similar viscosities are obtained by initially heating the polyalcohols (a) to (d) with polyphosphoric acid (= phosphoric acid dehydrated above 200° C.), resulting once again in the formation of acid semi-esters and diester mixtures through cleavage of the anhydridic phosphorus-oxygen-phosphorus bond. These acid semi-ester and di-ester mixtures are mixed with the multicomponent mixture of 1 mol of ε-caprolactam, 1 mol of trimethylol propane and 1 mol of water.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04038198
Source datasetuspto-grants-1977_07
ORD IDord-7ffae5f350c24d3f972a7eb9dddf251d
Source noteuspto-grants-1977_07