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Cellulose

Product Overview

Zheng Bang’s Cellulose is a naturally occurring biopolymer that is widely used in the production of suspension polyvinyl chloride (sPVC). Cellulose derivatives, such as hydroxypropyl methyl cellulose (HPMC), are commonly used as stabilizers and thickeners in the suspension polymerization process, and they play an important role in the production of high-quality sPVC resins by providing improved stability, control over rheological properties and better processability.

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cellulose-secondary

Key Features

Our Cellulose product acts as a binder, helping to hold the PVC particles together during the drying and processing steps. This is particularly important in applications where the sPVC resin will be further processed into finished products, such as pipes, fittings or profiles.
During the suspension polymerization of polyvinyl chloride (PVC), a dispersant system is used to disperse the monomers into small particles, consisting of hydroxypropyl methyl cellulose (HPMC) and various polyvinyl alcohols (PVA) with different degrees of alcoholysis. By using HPMC, suspension dispersion performance is improved, and the particle morphology and absorption of plasticizers are enhanced.
In sPVC production, Cellulose acts as a secondary dispersant, helping to maintain the stability of the PVC particles and prevent them from coagulating. Zheng Bang’s Cellulose can also be used to control the rheological properties of the suspension, such as viscosity, which is important in order to achieve the desired particle size and morphology of the final sPVC product.
Zheng Bang’s Cellulose can be used as a colloid retaining agent, emulsion stabilizer, foam stabilizer and dispersant. It has extraordinary colloid retention, emulsion stabilization, suspending agent stabilization and foam stabilization functions to benefit manufacturers throughout various production processes.

Industry Uses

Plastics

Applications

Suspension PVC (sPVC) Dispersant
Performance Modifier

Technical Properties

ModelViscosity mPa.sMethoxy content %Hydroxypropoxy content %Dry weight loss %Ignition residue %
E5045.0-55.02911.5≤5.0≤0.5
60SE-5040.0-60.028.0-30.07.0-12.0≤5.0≤1.5
65SE-5040.0-60.027.0-30.04.0-12.0≤5.0≤1.5
FON-5040.0-60.028.0-30.07.0-12.0≤5.0≤1.0
F5040.0-60.027.0-30.04.0-7.5≤5.0≤0.5
90SH-10080.00-120.0019.0-24.04.0-12.0≤5.0≤1.0
90SH-40003500-560019.0-24.04.0-12.0≤5.0≤1.0

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