Results 131 to 140 of about 2,286 (170)
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2000
Abstract Toluene 2,4-diisocyanate (TDI) is widely used in the pro duction of polyurethane foams for insulation and in the synthesis of plastics. Common commercial grades of TDI are a mixture of 80% of the 2,4-isomer and 20% of the 2,6-isomer. The 2,4-isomer is more volatile and constitutes the overwhelming component of most industrial
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Abstract Toluene 2,4-diisocyanate (TDI) is widely used in the pro duction of polyurethane foams for insulation and in the synthesis of plastics. Common commercial grades of TDI are a mixture of 80% of the 2,4-isomer and 20% of the 2,6-isomer. The 2,4-isomer is more volatile and constitutes the overwhelming component of most industrial
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New combined phenol/hindered amine photo- and thermal-stabilizers based on toluene-2,4-diisocyanate
Polymer Degradation and Stability, 2003Abstract Reactions of toluene-2,4-diisocyanate with different phenols and different HAS (hindered amine stabilizers) were used to prepare new combined phenol/HAS. As a phenol 2- tert -butyl-4-methoxyphenol ( I ); 2- tert -butyl-4-methylphenol ( II ); 2,4-di- tert -butyl-6-methylphenol ( III ) and 2,4-di- tert -butylphenol ( IV ) were used.
J. Mosnáček +4 more
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Journal of Immunological Methods, 1978
Erythrocytes were stabilized and activated for conjugation by simultaneous treatment with toluene-2,4-diisocyanate and glutaraldehyde. Following conjugation with an antigen, these cells were suitable for use in passive hemagglutination tests and could be stored in either hypo- or hyper-tonic solutions at 4 degrees C for at least 3 months without ...
D E, Mahan, R L, Copeland
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Erythrocytes were stabilized and activated for conjugation by simultaneous treatment with toluene-2,4-diisocyanate and glutaraldehyde. Following conjugation with an antigen, these cells were suitable for use in passive hemagglutination tests and could be stored in either hypo- or hyper-tonic solutions at 4 degrees C for at least 3 months without ...
D E, Mahan, R L, Copeland
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Clinical & Experimental Allergy, 2008
SummaryBackground Airway inflammation and remodelling contribute to chronic airway obstruction of asthma. Currently, no medication effectively controls airway remodelling and related vascular changes. Therefore, new strategies need to be developed.
M-H, Ahn +7 more
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SummaryBackground Airway inflammation and remodelling contribute to chronic airway obstruction of asthma. Currently, no medication effectively controls airway remodelling and related vascular changes. Therefore, new strategies need to be developed.
M-H, Ahn +7 more
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International Immunopharmacology, 2008
The main symptoms of allergic rhinitis (AR) are sneezing, rhinorrhea and nasal obstruction. In patients with AR, levels of nerve growth factor (NGF) and vascular endothelial growth factor (VEGF) increase. Olopatadine hydrochloride (olopatadine) is an anti-allergic agent with histamine H1 receptor antagonistic action.
Tadafumi, Tamura, Masato, Komai
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The main symptoms of allergic rhinitis (AR) are sneezing, rhinorrhea and nasal obstruction. In patients with AR, levels of nerve growth factor (NGF) and vascular endothelial growth factor (VEGF) increase. Olopatadine hydrochloride (olopatadine) is an anti-allergic agent with histamine H1 receptor antagonistic action.
Tadafumi, Tamura, Masato, Komai
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Chemistry Letters, 1999
Abstract Gelator 1 which has two aliphatic chains, three amide groups, and one glucosamine unit showed an excellent gelation ability for many organic solvents. The in situ cross-link of these organic gels by toluene-2,4-diisocyanate resulted in new robust gels with high Tgel values, retaining their gel fiber super-structure.
Kazuhiko Inoue +5 more
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Abstract Gelator 1 which has two aliphatic chains, three amide groups, and one glucosamine unit showed an excellent gelation ability for many organic solvents. The in situ cross-link of these organic gels by toluene-2,4-diisocyanate resulted in new robust gels with high Tgel values, retaining their gel fiber super-structure.
Kazuhiko Inoue +5 more
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Polymer Degradation and Stability, 2006
Abstract Water-resistant composite plastics were prepared from soy protein isolate (SPI) or soy dreg (SD), poly( ɛ -caprolactone) (PCL) and toluene-2,4-diisocyanate (TDI) as the compatibilizer by blending and one-step reactive extrusion (REX) followed by compression-molding.
Rui Deng +4 more
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Abstract Water-resistant composite plastics were prepared from soy protein isolate (SPI) or soy dreg (SD), poly( ɛ -caprolactone) (PCL) and toluene-2,4-diisocyanate (TDI) as the compatibilizer by blending and one-step reactive extrusion (REX) followed by compression-molding.
Rui Deng +4 more
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Chinese Journal of Analytical Chemistry, 2008
Abstract Plastic materials that release free toluene-2,4-diisocyanate (TDI) can be commonly found in sports venues. As the presence of TDI in the atmosphere will result in severe air pollution, the WHO has enforced strict regulations to ensure that the proportion of the free TDI monomer in the isocyanate-polymer is lower than 0.5%.
Jian-Qiang LI +4 more
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Abstract Plastic materials that release free toluene-2,4-diisocyanate (TDI) can be commonly found in sports venues. As the presence of TDI in the atmosphere will result in severe air pollution, the WHO has enforced strict regulations to ensure that the proportion of the free TDI monomer in the isocyanate-polymer is lower than 0.5%.
Jian-Qiang LI +4 more
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Talanta, 2007
Ethyl parathion and toluene 2,4-diisocyanate (2,4-TDI) vapors were generated using a vapor generation system that was designed for the evaporation of liquid samples at known flow rates. The vapor generation of parathion and 2,4-TDI posed a challenge because of their low volatility and tendency to absorb into surfaces of the vapor generation system ...
Marjaana, Nousiainen +2 more
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Ethyl parathion and toluene 2,4-diisocyanate (2,4-TDI) vapors were generated using a vapor generation system that was designed for the evaporation of liquid samples at known flow rates. The vapor generation of parathion and 2,4-TDI posed a challenge because of their low volatility and tendency to absorb into surfaces of the vapor generation system ...
Marjaana, Nousiainen +2 more
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Materials Science Forum, 2011
A new type of polyurethane (PU) has been synthesized by using hydroxyl terminated liquid natural rubber (HTNR) and poly(e-caprolactone) (PCL) as a soft segment and toluene-2,4 diisocyanate (TDI) as a hard segment. This PU becomes a biodegradable and recyclable polymer. The PU samples were synthesized by solution polymerization.
Wannarat Panwiriyarat +3 more
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A new type of polyurethane (PU) has been synthesized by using hydroxyl terminated liquid natural rubber (HTNR) and poly(e-caprolactone) (PCL) as a soft segment and toluene-2,4 diisocyanate (TDI) as a hard segment. This PU becomes a biodegradable and recyclable polymer. The PU samples were synthesized by solution polymerization.
Wannarat Panwiriyarat +3 more
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