Posts Tagged ‘low-shrink’

EXOTHANES Highlighted on Dr. Bicuspid

Thursday, May 24th, 2012
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One of Esstech’s own, Jim Duff, had the opportunity to speak with Dr. Bicuspid’s Assistant Editor, Rob Goszkowski about EXOTHANE Elastomers.

These unique materials continue to gain popularity for their low volumetric shrinkage, low shrinkage stress and high conversion!  Click the following link to read the whole article.

http://www.drbicuspid.com/index.aspx?d=1&sec=sup&sub=rst&pag=dis&ItemID=310631

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Esstech Presents at Radtech

Wednesday, April 11th, 2012
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Radtech UV & EB 2012 Technology Expo and Conference

April 30 – May 2, 2012 at the Hyatt Regency in Chicago, Illinois

Esstech is excited to announce that two of their own will be presenting the upcoming Radtech UV & EB show!  Join us in Chicago and learn more about Esstech’s latest technology, the EXOTHANE™ Elastomers as well as the fundamentals of UV-curable nail gel formulations.

Dr. Mike Idacavage, Director, Business Development
Presenting: Exothane™ Elastomers: A New Series of Versatile Urethane (Meth)acrylates
A novel set of energy curable materials, urethane (meth)acrylates, have been developed. Results of this work indicate that these UV and EB curable urethanes have superior toughness at max strength compared to the controls. In an unusual and unexpected finding, these materials exhibit low shrinkage while at the same time demonstrating high conversion rates. The enhanced properties of the UV curable elastomers, specifically the high percent elongation and hardness, suggest that these novel materials could be used as functional key components to increase the toughness and durability of coatings in a wide range of industrial applications.   The combination of high conversion, low volumetric shrinkage and low shrinkage stress brings interesting attributes to a large variety of applications such as adhesives, photopolymer printing plates, floor coatings, etc.

Dr. Idacavage is also teaching:  UV/EB Professional Short Course: Undergraduate-Level, and chairing the following two sessions: Session: 13 – Photovoltaics & Electronics and Session: 14 – Barrier Coatings & Conductive Films For Flexible Electronics

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Presenter:  Tom Barclift, Director, Sales and Marketing
Presenting: Chemistry and Formulation of UV Curable Nail Enhancements
The nail enhancement industry has evolved from chemical-cure, methyl methacrylate-based liquid and powder systems to UV-curable systems.  These systems are a precise mix of resins, additives, rheological modifiers and photoinitiators. The basic chemistry of these components will be discussed along with examples of typical formulation strategies.

 

 

 

Contact us in advance if you would like set-up a meeting while in Chicago.
Or, visit Booth # 426 during the Expo.

Phone:  1-800-245-3800 or 610-521-3800
EMail:  techsupport@esstechinc.com.
Email      

www.esstechinc.com

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Introducing EXOTHANE Elastomers

Wednesday, September 28th, 2011
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EXOTHANE Elastomers

Optimize Photocurable Mechanical Properties

EXOTHANE™ Elastomers represent the most recent advances in Esstech’s urethane chemistry. These versatile materials offer performance enhancements across a broad range of demanding formulations.

  • Exothane 8, low color urethane, creates a “soft” yet tough polymer with high elongation
  • Exothane 26, high flexibility when cured, has the ability to re-adhere at lower tensile strength
  • Exothane 24, high crosslink capacity, low in color and viscosity and very high Shore D hardness
  • Exothane 32, very low in color and viscosity, provides improved flexibility

Like many of Esstech’s other products, potential applications involving EXOTHANE™ Elastomers can vary across many industries from medical devices and nail gel enhancements to radiation-curable coatings.

Contact us directly to discuss your unique requirements and request our EXOTHANE™ Elastomers Product Literature.

Phone: 1-800-245-3800 or 610-521-3800
EMail: techsupport@esstechinc.com.

Esstech products are available to our European customers via, Esschem Europe

(www.esschem-europe.com).



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FIT 852 Shrinkage / Conversion Data

Thursday, July 28th, 2011
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Click on the following link for a pdf download of our poster.

Physical Properties of a New Low Shrink Resin

A. JOHNSTON1, F. RUEGGEBERG2, H.R. RAWLS3, H. SLAFF1, T. BARCLIFT1, and J. DUFF1, 1Esstech Inc, Essington, PA, 2Medical College of Georgia, Augusta, GA, 3University of Texas Health Science Center at San Antonio, San Antonio, TX

Introduction:

The improvement of aesthetic restorative dental composites can be pursued on many fronts. A composite is made from multiple components but, generally, it is a blend of finely ground glasses and reactive monomers.  The monomers cure to provide a continuous polymer matrix for retaining the glass.  Together they present a hard surface with the capability to survive in the oral environment.  Failure of these composites is a complex phenomenon.   While clinical failure can occur when the adhesive force between the composite and the vital dental tissue is compromised, failure also occurs when stresses overcome the cohesive strength of the continuous phase of the mixture.   Catastrophic material failure can occur as wear against complementary dentition that slowly erodes the surface.   Those cracks through the polymer phase lead to composite failure.  To improve the composite properties, a new monomer has been introduced, FIT 852 Resin™, that can provide greater toughness in the polymer, greater extent of cure in the polymer, lower shrinkage stress and no change in composite material manufacture.


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Free Download of FIT 852 Data

Thursday, December 16th, 2010
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Click on the following link for a pdf download of our IADR 2010 poster.

Physical Properties of a New Low Shrink Resin

A. JOHNSTON1, F. RUEGGEBERG2, H.R. RAWLS3, H. SLAFF1, T. BARCLIFT1, and J. DUFF1, 1Esstech Inc, Essington, PA, 2Medical College of Georgia, Augusta, GA, 3University of Texas Health Science Center at San Antonio, San Antonio, TX

Introduction:

The improvement of esthetic restorative dental composites can be pursued on many fronts. A composite is made from multiple components but, generally, it is a blend of finely ground glasses and reactive monomers.  The monomers cure to provide a continuous polymer matrix for retaining the glass.  Together they present a hard surface with the capability to survive in the oral environment.  Failure of these composites is a complex phenomenon.   While clinical failure can occur when the adhesive force between the composite and the vital dental tissue is compromised, failure also occurs when stresses overcome the cohesive strength of the continuous phase of the mixture.   Catastrophic material failure can occur as wear against complementary dentition that slowly erodes the surface.   Those cracks through the polymer phase lead to composite failure.  To improve the composite properties, a new monomer has been introduced, FIT 852 Resin™, that can provide greater toughness in the polymer, greater extent of cure in the polymer, lower shrinkage stress and no change in composite material manufacture.


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Esstech to detail FIT 852 at IADR 2010 Barcelona

Wednesday, June 30th, 2010
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Esstech to Present at IADR 2010

Wednesday, April 28th, 2010
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We are very excited to announce the details of our 2010 IADR presentation!

Physical Properties of New Low-Shrink Resin

Friday, July 16, 2010: 3 p.m. – 4:15 p.m.
Location: Exhibit Hall (CCIB)
A. JOHNSTON1, F. RUEGGEBERG2, H.R. RAWLS3, H. SLAFF1, T. BARCLIFT1, and J. DUFF1, 1Esstech Inc, Essington, PA, 2Medical College of Georgia, Augusta, GA, 3University of Texas Health Science Ctr at San Antonio, San Antonio, TX

2010 IADR Meeting Logo


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