oxidation and environmental influences like acidic soils or alkalinity ( concrete).DELTA(passive) caused bypolymer degradation
the high temperature during the processcausesdegradation of the polymer
shear and high temperatures(passive) caused bypolymer degradation
the polymer ... a very high temperaturescan causedegradation of the polymer
sufficiently high temperaturescausepolymer degradation
high temperatures ... undesirableto preventpolymer degradation [ 17
oxidation and environmental influences like acidic soils or alkalinity ( concrete ) , which all - recycle based products(passive) caused bypolymer degradation
due account of the possible oxidation reactionscould leadto a polymer degradation
1 : use phenolic and/or phosphorous antioxidantsto preventdegradation of the polymer
when the temperature is too highresultsdeterioration of the polymer
Residence time at high temperaturescausespolymer degradation
the harmful UV radiationcausesdegradation of the polymer
the black ... the UV radiationcausespolymer degradation
Such high temperature hydrogenation conditioncan resultin polymer degradation
oxidation and environmental influences like acidic soils or alkalinity ( concrete ) Available in 6 ' and 8 ' wide rolls , DELTA(passive) caused bypolymer degradation
Anti - oxidants are normally addedto preventpolymer degradation
its temperature ... a valuecausespolymer degradation
Antioxidants Antioxidants are frequently added to thermoplastics compositionsto preventpolymer degradation
Likewise , polyaromatic stabilizers may be addedto preventpolymer degradation
atmospheric moisture ... under normal processing conditionscan causedegradation of the polymer
Excessive incubation at a high temperature and pH should be avoidedmay causepolymer degradation
the tendency of these conditionsto causepolymer degradation
Exposure of the polyphenylene ether to the high temperatures of conventional dryingmay causedegradation of the polymer
the temperature ... low enoughto preventdegradation of the polymer
UV radiation ( which can cause a loss of viscosity(passive) caused bypolymer degradation
pot life problemsresultingfrom polymer degradation
propylene glycol Anti - oxidants & other processing aids : The excessive temperatures needed to process unplasticized or under plasticized polymersmay leadto polymer degradation
the polymeric material being subjected to the relatively high temperatures ( and pressures ) during the extrusion process(passive) was caused bypolymer degradation
extrusion temperature , moisture and the time the resin is held in the melt(passive) caused bypolymer degradation
such high concentrationsmay causepolymer degradation
An antioxidant ( N - phenyl-2-naphthylamine ) was added to all high temperature GPC samplesto preventpolymer deterioration
low pressure steam turbine blades N. Failure of automobile seat belts(passive) caused bylow pressure steam turbine blades N. Failure of automobile seat belts
to the creation of a polymer concentration gradient in the electrode filmcontributesto the creation of a polymer concentration gradient in the electrode film
in films possessing poor tensile properties , especially ultimate tensile strengthresultingin films possessing poor tensile properties , especially ultimate tensile strength
The Adjuvant Effect of Gantrez ® AN Nanoparticles on Oral Vaccination of Pigs and Mice with F4 Fimbriae(passive) Is Strongly Influenced byThe Adjuvant Effect of Gantrez ® AN Nanoparticles on Oral Vaccination of Pigs and Mice with F4 Fimbriae
to a reduction in viscosityleadingto a reduction in viscosity
to change in appearance such as discoloration and loss of mechanical properties such as strength and flexibilitycan leadto change in appearance such as discoloration and loss of mechanical properties such as strength and flexibility
the fluid to become less viscous , allowing the “ broken ” fluid to be produced from the subterranean formation to the well surfacecausingthe fluid to become less viscous , allowing the “ broken ” fluid to be produced from the subterranean formation to the well surface
the fracturing fluid to become less viscous , whereby the fracturing fluid can be pumped from the subterranean formation to the well surfacecausingthe fracturing fluid to become less viscous , whereby the fracturing fluid can be pumped from the subterranean formation to the well surface
to drug release followed by diffusionwas contributedto drug release followed by diffusion
to backsheet cracking , which can represent a safety hazard for anyone conducting operations or maintenance procedurescan leadto backsheet cracking , which can represent a safety hazard for anyone conducting operations or maintenance procedures
significantly to the rate of drug release observed during the 4 weeks of release ... since 50:50 PLGA typically degrades after 1 to 2 months and 65:35 PLGA after 3 to 4 monthscontributedsignificantly to the rate of drug release observed during the 4 weeks of release ... since 50:50 PLGA typically degrades after 1 to 2 months and 65:35 PLGA after 3 to 4 months
in deterioration of their chemical , physical and mechanical propertiesresultsin deterioration of their chemical , physical and mechanical properties
in loss of strength , flexibility , thermal stability , and colorcan resultin loss of strength , flexibility , thermal stability , and color
transported by a curriculumcausedtransported by a curriculum
alterations of physical and chemical features of implantable devices.[fifty threecan causealterations of physical and chemical features of implantable devices.[fifty three
in the formation of polymeric particles , which may lessen the properties of fiber webs used for filter media or other applicationsmay resultin the formation of polymeric particles , which may lessen the properties of fiber webs used for filter media or other applications
in formation of acid degradation products that locally decreases the pH , and can cause denaturation of the proteinresultsin formation of acid degradation products that locally decreases the pH , and can cause denaturation of the protein
to the physical erosion of the polymeric matrixleadsto the physical erosion of the polymeric matrix
into oligomers , dimers and monomers and finally to CO2 and H2O.resultsinto oligomers , dimers and monomers and finally to CO2 and H2O.
to the physic al erosion of the polymeric matrixleadsto the physic al erosion of the polymeric matrix
to the underestimation of molecular weightsleadingto the underestimation of molecular weights
in discoloration , gas bubbles and carbon formationresultingin discoloration , gas bubbles and carbon formation
changes incrystallinity , an increase in melting temperature and theformation of crosslinkscausedchanges incrystallinity , an increase in melting temperature and theformation of crosslinks
the material dissolving(passive) caused bythe material dissolving
failure of polymer productscausesfailure of polymer products
in swelling , fo , discoloration , or delamination in the case of compositescould resultin swelling , fo , discoloration , or delamination in the case of composites
loss in color , stability , flexibility and/or strengthcan causeloss in color , stability , flexibility and/or strength
to sample embrittlementleadsto sample embrittlement
to the formation of ultra high molecular weight polymersleadingto the formation of ultra high molecular weight polymers
to a deterioration of properties even during processingleadingto a deterioration of properties even during processing
to enhanced clarity and glossleadingto enhanced clarity and gloss
generallyresultsgenerally
an open cell structure degradation(passive) caused byan open cell structure degradation
from mechanodegradation , which is caused by the application of stress such as high shear deformationcan also resultfrom mechanodegradation , which is caused by the application of stress such as high shear deformation
in gels and black spotsresultingin gels and black spots
to erosion of the material and mass loss , which can occur in the bulk or at the surface of the implanted deviceleadsto erosion of the material and mass loss , which can occur in the bulk or at the surface of the implanted device
acidic byproducts such as lactic acid , galactic acid , and/or glycolic acidmay createacidic byproducts such as lactic acid , galactic acid , and/or glycolic acid
to the foam not returning to its original shapeleadsto the foam not returning to its original shape
in faster product developmentresultingin faster product development
to deterioration of physical and mechanical properties , which affect its tribological behavior significantlyleadsto deterioration of physical and mechanical properties , which affect its tribological behavior significantly