Reactive Polydimethylsiloxane (PDMS) Series
Modified polydimethylsiloxanes with active terminal groups that react chemically with resin systems, enabling chemical incorporation of PDMS chain segments.
Reactive PDMS Quick Selection Guide
Quick Selection Guide for Reactive PDMS
This table is intended for preliminary selection by functional group, terminal structure and product model. The final model should be determined in combination with the resin system, reaction method, molecular weight, functional group content and target performance.
| Model | Product Name | Structural Feature | Typical Application |
|---|---|---|---|
| ZG-SEMMAS | Single-End Methacryloxypropyl-Terminated Polydimethylsiloxane | Methacrylate at chain end | UV curing, optical materials, surface additives |
| ZG-STMOS | Single-End Trimethoxy-Terminated Polydimethylsiloxane | Trimethoxy moisture-curable terminal group | Powder surface treatment, sealants, RTV systems |
| ZG-X22T | Single-End Dihydroxy-Terminated Polydimethylsiloxane | Two primary hydroxyl groups at chain end | Polyurethane chain extension, flexibility modification, surface adjustment |
| ZG-X22D | Single-End Monohydroxy-Terminated Polydimethylsiloxane | One primary hydroxyl group at chain end | End-capping, molecular weight control, reactive defoaming |
| ZG-SEES | Single-End Epoxypropoxy-Terminated Polydimethylsiloxane | Epoxy reactive group at chain end | Epoxy toughening, anti-corrosion coatings, structural adhesives |
| ZG-SDMOS | Single-End Dimethoxy-Terminated Polydimethylsiloxane | Dimethoxy moisture-curable terminal group | Filler interface modification, formulation reaction control |
| ZG-DSEMMAS | Double-End Methacryloxypropyl-Terminated Polydimethylsiloxane | Methacrylate at both ends | Dual-end UV-curable crosslinking, toughening, network construction |
| ZG-DX22 | Double-End Hydroxypropyl-Terminated Polydimethylsiloxane | Reactive hydroxyl at both ends | Polyurethane/polyester flexible segments, stress relaxation |
| ZG-DSEES | Double-End Epoxypropoxy-Terminated Polydimethylsiloxane | Epoxy reactive group at both ends | Dual-end reactive toughening, crosslinking modification, structural adhesives |
Single-end functionalized PDMS:Better suited as a reactive modifier or end-capping agent; while introducing flexible siloxane chain segments, it has a relatively small effect on the crosslink density of the system.
Double-end functionalized PDMS:Can participate in chain extension, crosslinking or network construction, and is generally suitable for systems that require stronger reaction participation, toughening or permanent modification.
Practical selection advice:Carry out sample validation in combination with the base resin, curing mechanism, target molecular weight, functional group equivalent weight, compatibility and final performance requirements.