نتایج جستجو برای: silicones

تعداد نتایج: 402  

2009
M. Muthu

Silicone softeners have a firm place in final finishing for a very important reason. A piece of fabric which has been subjected to pretreatment ,dyeing and fixing processes is almost impossible to be appealing to any one without taking a corrective measures of handle. The Application of silicone softeners turns hard and a brittle fabric into a soft pleasant textile with which the buyer can expe...

Journal: :The journal of contemporary dental practice 2011
Dheeraj Kumar Anand U Madihalli K Rajeev Kumar Reddy Namrataa Rastogi N T Pradeep

AIM The aim of the present study is to compare the various elastomeric impression materials in terms of accuracy and dimensional stability, with respect to obtaining multiple casts from a single elastomeric impression at various times of pours. MATERIALS AND METHODS Three master dies were prepared for the impression making, two of these were made of brass containing a central hole with underc...

2018
Claudia Windhövel Lisa Harder Jan-Peter Bach Michael Teske Niels Grabow Thomas Eickner Ulf Hinze Boris Chichkov Ingo Nolte

Silicones are widely used in medical applications. In ophthalmology, glaucoma drainage devices are utilized if conservative therapies are not applicable or have failed. Long-term success of these devices is limited by failure to control intraocular pressure due to fibrous encapsulation. Therefore, different medical approved silicones were tested in vitro for cell adhesion, cell proliferation an...

Journal: :Journal of Chemical Education 1959

1997
Alfred J. DiSapio

The use of silicones in personal care products has been expanding rapidly. A significant portion of this increased use has been in place of hydrocarbons. For at least 15 years, silicones have been incorporated into personal care products as a partial replacement or improvement additive for several classes of organic compounds traditionally used as ingredients in cosmetics and toiletries. This m...

Journal: :Burns : journal of the International Society for Burn Injuries 2001
E Van den Kerckhove K Stappaerts W Boeckx B Van den Hof S Monstrey A Van der Kelen J De Cubber

This article gives an overview of the use of silicones in the treatment and prevention of hypertrophic (burn related) scars. Of all non-invasive treatment modalities the use of continuous pressure and occlusive contact media, e.g. silicones, seem to be generally accepted as the only ones that are able to manage hypertrophic scarring without significant side-effects. A summary of the current opi...

2016
Karluss Thomas

BThese findings indicate a potential health hazard from frequent or long-term use of such items.^ BA higher level of awareness of this source of daily silicone intake is suggested.^ Pg. 511: BWhen studied, the long-term exposure of humans to silicones was found to induce adverse health effects.^ More through the end of this section. 1430 K. Thomas Comment on: “Analysis of Silicones”

Journal: :Advances in dental research 1988
R G Craig

Major advances in impression materials and their application have occurred during the last decade, with greater emphasis being placed on rubber impression materials than on dental compound, zinc oxide-eugenol, and agar and alginate. Of particular interest has been the effect of disinfection solutions on the qualities of impressions and the biocompatibility of impression materials. The principal...

2009
T. Easton

In contrast to the low-level use of silicone polymers as additives, silicone resins can be major components of the coating. Here they are used as binders or co-binders, imparting important benefits such as durability throughout the life of the coating. Silicone resins offer resistance to weathering in paints for exterior surfaces such as bridges and metal cladding on buildings. They also provid...

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