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How does wool help in reducing greenhouse effect? 

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The effect of the latter polymers can be considerably improved if the wool is either pretreated or saturated with the acidic catalyst before polymer application.
Temperature has been suggested elsewhere as a possible cause, but the experiments described do not support the theory that environmental temperature has any direct effect on wool growth.
For wool containing polyacrylonitrile there is a reduction in water content at low humidities, indicating interaction between the polymer and polar sorption sites in the wool.
Furthermore, CHT tends to coat the wool fibres by film formation reducing apparently the fibre damage promoted by enzyme treatment and also reducing the wool shrinkage.
According to our knowledge, this is the first report that demonstrates the usefulness of a biosufactant in an environmental-friendly process aimed at reducing wool top felting.
Thus, the net effect of sunlight upon wool varies with its spectral composition, and its variability in place and time probably explains the variable results, yellowing or bleaching, reported by others around the world.
Chlorination of the wool and an increase in temperature will substantially increase the rate of absorption.
Journal ArticleDOI
B. Ma, C. Zheng, R. Sun 
7 Citations
Changes in the wool surface have a significant effect on its physical properties.
These small radiation-induced changes can be expected to affect properties of wool significant in absorption and penetration processes, such as those involved in dyeing, chemical modification, and grafting treatments of wool.

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