摘要:
The invention relates to a method of forming a photographic paper comprising applying to a base paper a polyvinyl alcohol solution of low molecular weight, said solution containing said polyvinyl alcohol in an amount of greater than 15 percent by weight.
摘要:
A method for making polypyrrole structures less brittle comprising the steps of contacting the polypyrrole with an antioxidant until a desired degree of non brittleness is achieved. The antioxidants are preferably aromatic antioxidants. Polypyrroles of reduced brittleness include the antioxidants in low percentage.