SBIR-STTR Award

Process for the manufacture of 2'.2' 4.4' tetrahydoxybenzophoneome
Award last edited on: 12/19/14

Sponsored Program
SBIR
Awarding Agency
DOE
Total Award Amount
$464,188
Award Phase
2
Solicitation Topic Code
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Principal Investigator
Walter Z Heldt

Company Information

Helix Associates Inc

835 Dawson Drive
Newark, DE 19713
   (302) 738-6581
   N/A
   N/A
Location: Single
Congr. District: 00
County: New Castle

Phase I

Contract Number: ----------
Start Date: 00/00/00    Completed: 00/00/00
Phase I year
1983
Phase I Amount
$45,000
Polymers have many potential applications in solar technology that help achieve total systems effectiveness. Representative applications are adhesives, coatings, moisture barriers, structural members, and as optical components of solar systems. In order to optimize a system, one must optimize performance, durability, and costs. Solar exposure results in photodegradation which alters polymer performance and durability as exemplified by polymer cracking (like in an old automobile plastic part) or the loss of strength (like garbage exposed to sunlight). Ultraviolet (UV) absorbers such as THBP, when added to polymers lessen or prevent such degradation by sunlight. The greater the exposure to sunlight the higher the concentration of an UV absorber has to be to achieve system effectiveness (as exemplified by sun-tan lotions) and the more important the price of a given UV absorber, compared to total system price. THBP has been shown to be a preferred UV absorber in solar application, but because of its high current price and foreign supply only, has found limited application. The current project will attempt to develop a lower price process based on fundamental technology developed in U.S . universities and companies. If successful, we will attempt to commercialize the UV absorber in a short period of time. The nascent United States Solar Energy Industry will have the advantage of a lower cost UV absorber and a customer service oriented local small supplier.The potential applications as described by the company: Improved performance, durability and costs of many polymers used in solar energy applications.

Phase II

Contract Number: ----------
Start Date: 00/00/00    Completed: 00/00/00
Phase II year
1984
Phase II Amount
$419,188
The synthesis of 2,2 ',4,4, Tetrahydroxybenzophenone (1) will be proven out in semi-works equipment. We need to demonstrate a safe plant process with hydrogen fluoride at elevated temperatures and pressures. We plan to develop two syntheses for polymeric and graftable derivatives of 1. We believe these will find rapid acceptance in polymeric compositions used in objects with intensive solar exposures. Migration and elution of UV absorbers from polymer surfaces is one of the major problems in the current photodegr-adation of polymers. A polymeric UV absorber or an absorber grafted to the polymer backbone should improve substantially the lifetime of many systems using polymers in such applications.Anticipated Results/Potential Commercial Applications as described by the awardee: As soon as the process is proven, in 1984 we will build a plant for a derivative of 1, Heliosorp 11, for solar energy applications. We plan to commercialize polymeric and/or graftable derivatives of I and supply these to industry from our installed equipment.