摘要:
Gypsum paper is treated with a mixture of a silanol containing organopolysiloxane polymer where the polymer has a viscosity varying from 1,000 to 1,000,000 centipoise at 25.degree. C. and in which there is mixed a liquid suspension of colloidal silica.
摘要:
Organofunctional siloxanes useful in a wide variety of personal care and plastics applications are disclosed having a carboxyalkylaminoalkyl functionality.
摘要:
A novel isocyanato-endcapped siloxane compound and a method of preparation are disclosed, and which can be further copolymerized with a variety of thermoplastic resins containing active hydrogen substituents such as polycarbonates and polyphenylene ethers.
摘要:
Novel polysiloxane polymers are provided having general formula ##STR1## wherein R.sup.1 is a polyoxyalkylene radical of the formula ##STR2## x has an average value from about 5 to 400, y has an average value of at least 1 and n has an average value from at least 1 to 200. Water-in-oil emulsions comprising the novel polysiloxane polymers are also described.
摘要:
Novel curable siloxane polymers having integral ultra-violet light absorbers are disclosed which are useful in preparing a variety of commercial silicone products requiring excellent resistance to loss of UV protection due to external forces.
摘要:
Novel curable siloxane polymers having integral ultra-violet light absorbers are disclosed which are useful in preparing a variety of commercial silicone products requiring excellent resistance to loss of UV protection due to external forces.
摘要:
There is described water-in-oil emulsions containing polysiloxane surface active agents which can be formulated into lotions for use in sunscreens and skin care products.