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viscosity modifiers

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Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006411
EISBN: 978-1-62708-192-4
... ( Ref 19 ) Phosphorus-nitrogen compounds Amine salts of thiophosphoric acid ( Ref 20 ) Dithiophosphoric acid derivatives ZDDP Examples and molecular structures of viscosity modifiers Table 4 Examples and molecular structures of viscosity modifiers Category Example...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006405
EISBN: 978-1-62708-192-4
... • • • • • Corrosion inhibitor/metal deactivator • • • • • Friction modifier • … … … … Pour-point depressant • • • • … Foam inhibitor • • … … … Viscosity improver • • … … … Other (a) … … … … • (a) Includes coupler, dye, diluent, and emulsifier Nonengine...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006849
EISBN: 978-1-62708-395-9
... are shown in Fig. 1 . However, these values are only indications of MW and do not reflect the polymer’s elastic component. Although knowledge of the base resin’s viscosity might be useful, the value for PVC, in particular, is quite limited because vinyls are the most modified base resins. The method...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006413
EISBN: 978-1-62708-192-4
... Control Lubricant/Additive Effects on Engine Emission-Control System Oxidation Inhibitors Corrosion Inhibitors Rust Inhibitors Friction Modifiers Antiwear (AW) Additives Extreme-Pressure (EP) Additives Detergents Dispersants Viscosity Index Improvers (Viscosity Modifiers...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
... No Plasticizers Cold isostatic pressing Dry, agglomerated Yes Yes No Plasticizers Hot uniaxial pressing Dry No No No None Slip casting Dispersed in fluid Yes No Yes Viscosity modifiers Tape casting Dispersed in fluid Yes Yes Yes Plasticizers Extrusion Plastic mix Yes Yes Yes...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005681
EISBN: 978-1-62708-198-6
... in today's composite materials ( Ref 10 , 11 ). The specific properties that each diluent monomer provides depend on the monomer structure, composition, polarity, and ratio relative to Bis-GMA ( Ref 1 ). The most commonly used viscosity modifier is triethylene glycol dimethacrylate (TEGDMA) ( Ref 4...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003362
EISBN: 978-1-62708-195-5
... a high-viscosity adhesive. Note that if the viscosity of A differs significantly from that of B, the resin becomes difficult to mix, so it is not uncommon to find modifiers predissolved or predispersed in both the A and the B. Dicyandiamide (generally referred to as “dicy”) is widely used as an epoxy...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006427
EISBN: 978-1-62708-192-4
... calculations showing effects of oil viscosity on piston-skirt/liner friction, illustrating dependence on degree of mixed/boundary lubrication: (a) Significant mixed-boundary lubrication; (b) moderate mixed-boundary lubrication. Source: Ref 20 Fig. 9 Computations showing effects of adequate upstream...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005912
EISBN: 978-1-62708-167-2
... such as hardness, or to melt and mix materials together. For optical fiber processing, a main use of heating is to modify the viscosity of a glass preform. A glass preform is a large-diameter, long-length “blank” of glass that is manufactured in a bulk format for cost and quality considerations. The blank of glass...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006399
EISBN: 978-1-62708-192-4
... Performance Using Visco-Lock Devices , Int. J. Heavy Vehicle Syst. , Vol 15 ( No. 2–4 ), 2008 , p 188 – 207 10.1504/IJHVS.2008.022242 15. Eyring H. , Viscosity, Plasticity, and Diffusion as Examples of Absolute Reaction Rates , J. Chem. Phys. , Vol 4 ( No. 4 ), 1936 , p 283 – 291...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003047
EISBN: 978-1-62708-200-6
..., and service conditions. It then focuses on the characteristics, types, and properties of the five groups of adhesives, such as structural, hot melt, pressure sensitive, water based, ultraviolet, and electron beam cured adhesives. The article also discusses the functions and applications of adhesive modifiers...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003489
EISBN: 978-1-62708-195-5
... to cure temperatures close to (or preferably over) the maximum-use temperature for the structure. Epoxy resin systems are usually modified by a wide range of additives that control particular properties. These additives include accelerators, viscosity modifiers and other flow-control additives...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003365
EISBN: 978-1-62708-195-5
...-50 (prepreg) Cytec Fiberite, YLA, Inc. Modified PMR-15 (solution, powder) Imitec, Inc., Eikos, Inc., Daychem Labs, Inc., Hy Comp, Inc. NASA Langley Research Center/ PETI-5 (solution, powder) Imitec, Inc.  Cytec Fiberite PETI-5 (prepreg) Cytec Fiberite LARC RP-46 (prepreg) Cytec...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003066
EISBN: 978-1-62708-200-6
.../Morphology Relations in Alkali Silicate Glasses , J. Am. Ceram. Soc. , Vol 66 ( No. 11 ), 1983 , p 754 – 757 • Shelby J.E. , Viscosity and Thermal Expansion of Alkali Germanate Glasses , J. Am. Ceram. Soc. , Vol 57 ( No. 10 ), 1974 , p 436 – 439 • Sturgeon A.J. , Holland...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003432
EISBN: 978-1-62708-195-5
... of reaction. In addition, fillers or additional modifiers may be used to alter specific properties. Typically, the resin manufacturer will perform testing on the individual components of a polymer blend. Resins Curing Agents Catalysts Fillers and Modifiers After the components are mixed, tests...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005503
EISBN: 978-1-62708-197-9
... strength with shear-thinning viscous behavior ( Ref 15 ). The modified-Cross model for viscosity as a function of the effective shear rate and temperature is the most useful treatment: (Eq 13) η m ( γ ˙ , T ) = η 0 1 + ( η 0 γ ˙ / τ * ) 1 − n...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003441
EISBN: 978-1-62708-195-5
... 18.0 AS4 3502 3000 435 223 32.4 134 19.4 AS4 4502 3000 432 220 31.9 102 14.8 Note: Tensile data normalized to 100% fiber volume Properties and tests for thermoset resins and modifiers Table 4 Properties and tests for thermoset resins and modifiers Ingredient...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005672
EISBN: 978-1-62708-198-6
... of the initiator (e.g., peroxide) or a high-viscosity mix of the curing agent and performance additives. The resin component often contains an elastomer that serves as an impact modifier to enhance the toughness of the adhesive. Acrylic adhesives can be provided in no-mix and static-mix formulations...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003465
EISBN: 978-1-62708-195-5
... it readily detects the T g , minimum viscosity (seen as maximum ionic mobility), resin cure, and vitrification. It is very sensitive to the last stages of the curing reaction ( Ref 5 ). Dielectric analysis is at least an order of magnitude better than DSC or TMA in detection of the T g and can also...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006009
EISBN: 978-1-62708-172-6
... with relatively high temperatures and rather long times. These resins also were completely unlike the low-viscosity liquid unsaturated polyester (UP) resins of today (2015), because they were either solids or very high-viscosity, relatively immobile liquids. In the mid-1930s, Carlton Ellis discovered...