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Synthesis and characterization of a new silicone multiblock polymer
The Lawrence Livermore National Laboratory (LLNL) has an active interest in the synthesis of new polysiloxanes as base polymers for cellular silicone materials. These elastomers have properties uniquely suited to very specific engineering requirements. While the polymers which we have prepared via random equilibrium of various cyclic tetrasiloxanes have adequate properties for certain applications, there is evidence to suggest that alternating block polysiloxanes prepared via condensation-polymerization techniques have properties more suited to our end uses as flexible foam materials (cushions). The synthetic sequence developed to prepare these materials involves reactions of functionally terminated (silylamino and silanol) polysiloxane oligomers to produce alternating multiblock (ABAB...) materials of high molecular weight. Dialkylamines are condensation byproducts in this reaction. The analysis and characterization of these multiblock polymers is reported.
Date:
May 10, 1982
Creator:
Riley, M.O.; Kolb, J.R. & Jessop, E.S.
Object Type:
Report
System:
The UNT Digital Library
[Photograph 2012.201.B0070.0313]
Photograph used for a newspaper owned by the Oklahoma Publishing Company.
Date:
May 10, 1987
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0092.0427]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Bill Meeks, Calumet, has plenty of time for a smoke."
Date:
May 10, 1983
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0120.0184]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Award winners are Sue Terneus, front left, of El Reno, and Denniece Lorenzen of Western Heights, and back, Jalanna Lensburg of Moore, left, and Robbie Callahan, Yukon."
Date:
May 10, 1984
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0138.0601]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "OKLAHOMA PUBLISHING CO.., EMPLOYEES'..."
Date:
May 10, 1982
Creator:
Aker, Joe
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0164.0317]
Photograph used for a story in the Daily Oklahoman newspaper.
Date:
May 10, 1985
Creator:
Schoonover, Vic
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0150.0485]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The lady of the house can stay warm and dry while her groceries are delivered conveniently to her door by Steve Eckhoff, fonder of a new shopping service."
Date:
May 10, 1983
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0139.0640]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Carol Collier, Suzanne Charney, and Kin Hammond."
Date:
May 10, 1980
Creator:
James, Todd
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Measurement control for plutonium isotopic measurements using gamma-ray spectrometry
A measurement control (MC) program should be an integral part of every nondestructive assay measurement system used for the assay of special nuclear materials. This report describes an MC program for plutonium isotopic composition measurements using high-resolution gamma-ray spectroscopy. This MC program emphasizes the standardization of data collection procedures along with the implementation of internal and external measurement control checks to provide the requisite measurement quality assurance. This report also describes the implementation of the MC program in the isotopic analysis code GRPAUT. Recommendations are given concerning the importance and frequency of the various MC checks in order to ensure a successful implementation of the MC procedures for the user's application.
Date:
May 10, 1985
Creator:
Fleissner, J.G.
Object Type:
Report
System:
The UNT Digital Library
Numerical studies of high current beam compression in heavy ion fusion
The process of longitudinal compression of a drifting heavy ion pulse to be used as an ICF driver is examined with the aid of particle simulation. Space charge forces play a vital role in halting compression before the final focus lens system is reached. This must take place with minimal growth of transverse emittance and momentum spread. Of particular concern is the distortion of longitudinal phase space by the rounded transverse profile of the longitudinal self-electric field.
Date:
May 10, 1985
Creator:
Bisognano, J.; Lee, E. P. & Mark, J. W. K.
Object Type:
Article
System:
The UNT Digital Library
[Photograph 2012.201.B0224.0551]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Domingo Gonzalez, 23, Left, holding Daughter, Joe, 2, And Diane, his 17-year-old wife, holding son Jesse, 10 mos."
Date:
May 10, 1981
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0323.0077]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Howard Kauffmann, president of the Exxon Corp. told the students"
Date:
May 10, 1980
Creator:
Longstreath, David
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0262.0185]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Loretta Hinkle, a supervisor at Oklahoma Allergy Clinic, describes the process for measuring recording air contaminants."
Date:
May 10, 1988
Creator:
Klock, Roger
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0313B.0722]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Steve Jernigan, who hosted a bar-b-que Friday night as part of the weekend festivities, is pictured with Jill Kilpatrick."
Date:
May 10, 1980
Creator:
James, Todd
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0231.0471]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Tennis professional Tom Gullikson answers questions during a clinic at the Edmond Racquet Club Wednesday."
Date:
May 10, 1989
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0232.0534]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The word written by English poet Richard Lovelace, "Stone walls do not a prison make, nor iron bars a cage," make sense to anyone looking at the old Guthrie Police Department."
Date:
May 10, 1985
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0313B.0754]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "Mrs. Bob Jessup welcomes her guests with gold-painted china and French candelabra."
Date:
May 10, 1984
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0268.0015]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Gladys Goldberg, left, and Shirley Howard admire table decorations at the recent meeting of the Women's Dinner Club at the Oklahoma Conference Center."
Date:
May 10, 1986
Creator:
Wilson, George R.
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0224.0793]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "At feeding time with two Squirrels & one Raccoon ..."
Date:
May 10, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0232.0562]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The Mid-America boys gymnastic team recently returned from the Class IV state tournament proudly bearing the championship crown."
Date:
May 10, 1984
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0224.0791]
Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "uses bottle to feed female black bear cub...."
Date:
May 10, 1988
Creator:
Beckel, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0303B.0142]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "The Frank Kent family's log cabin home of Noble was a summer's work."
Date:
May 10, 1984
Creator:
Southerland, Paul
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0251.0897]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Dana Lee of Edmond Hospital Prepares to cut cake congratulating hospital administrators Joel Hart and Brian Robinson, right, for enduring all the recent construction activity."
Date:
May 10, 1984
Creator:
Albright, Bob
Object Type:
Photograph
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B0166.0271]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Festival of the Arts chairmen and their guests were invited to "come celebrate the beginning of the next 100 years," at a festival wrap-up party last week."
Date:
May 10, 1989
Creator:
Hoke, Doug
Object Type:
Photograph
System:
The Gateway to Oklahoma History