Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.
Benzylic ether phenolic resin is one of the main components of foundry polyurethane binder; its structure and preparation condition determine the performances of polyurethane binder.
A foamable phenolic resin was prepared,through addition,condensation,in the presence of alkali.The resin was foamed with surfactant, foamer,solidifying agent , then the foam phenolplast was given .
Because the mature tissue of velvetleaf contains lots of secondary metabolites such as alkaloid and phenolic, it is difficult to obtain high purity DNA from mature tissue of velvetleaf.
Phenolics come from the grape's skin and seeds, and since the red wine-making process involves more time with the whole grapes, more phenolics end up in the final product.
You may have heard of tannins, for example—those are phenolics that don't have strong flavors themselves, but cause that drying feeling in your mouth after you drink a bold red.
Phenolics come from the grape’s skin and seeds, and since the red wine-making process involves more time with the whole grapes, more phenolics end up in the final product.
You may have heard of tannins, for example—those are phenolics that don’t have strong flavors themselves, but cause that drying feeling in your mouth after you drink a bold red.
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皮和种子，由于红
过程需要更多
皮和种子，由于红酒酿
过程涉及
个
