Lignin Based Polymers for Building Applications
Performance parameters:
Length: average <6mm
Ash content: ≤18%
PH value: 7.0 ± 0.5
Oil absorption rate: ≥ 5 times the quality of the fiber itself
Moisture content: <5%
Heat resistance: 230 ℃(in short time up to 280℃)
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Applications
Lignin Based Polymers are widely used in asphalt roads, concrete, mortar, gypsum products, wood pulp sponge, etc.
Features:
They perform well in coating cracking preventing, to improve water retention, improve production stability and construction suitability, increase strength and adhesion proprieties to the surface. Wait for good results, as a thixotropic, protective agent, absorbent, carrier and filler.
Advantages:
1. Strong thickening and strengthening effect: Lignocellulose has strong cross-linking and darning function. When it is mixed with other materials, the fibers are lapped into a three-dimensional structure, which can lock the water between them to ensure water retention and retardation. Effectively reduce water cracking.
2. improve the performance: when the shear force acts on it (such as stirring, pumping), part of the liquid will be pulled from the fiber structure into the matrix, resulting in lower viscosity, improved workability, when the flow stops, the fiber structure It recovers very quickly and absorbs the water back and restores its original viscosity.
3. Crack resistance: The mechanical energy generated during solidification or drying is weakened by fiber ribs to prevent cracking.
4. Low shrinkage: The bio-size stability of lignocellulosic is very good, the mixture will not shrink and settle, and its crack resistance will be improved.
5. good liquid forced adsorption: wood fiber itself can absorb 6-8 times its own weight of liquid, and its structure to absorb 6-10 times the liquid.
6. anti-fall: construction operation and drying process will not appear falling. This allows thicker plasters to be completed in one operation, and wood fibers have good thermal stability even under high temperature conditions.
7. easy dispersion: mixing with other materials is easy, evenly dispersed, good leveling, no sagging, anti-splash.
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