Hyperbranched phenolic-alkyd resins with high solid content

Vallejo, Pedro P.; López, Betty L.; Murillo, Edwin A.

doi:10.1016/j.porgcoat.2015.06.007

Cited by 16 publications

(8 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The hyperbranched polyester polyols (HBP) possess structures with a high structural packing and great number of OH groups. They also have low viscosity in solution and molten state, a lower degree of molecular entanglements than linear polymers of the same molar mass, and they are not toxic [14][15][16][17][18][19][20][21] . These materials may be a good alternative to obtain compatibilizer agents by modification of OH groups with other compounds such as amine, isocyanate, acids, etc.…”

Section: Introductionmentioning

confidence: 99%

Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends

Mesias

Murillo

2018

Polímeros

View full text Add to dashboard Cite

A hyperbranched polyester polyol of the second generation (HBP2) was modified with polylactic acid (HBP2-g-PLA) and employed as a compatibilizer for plasticized tapioca starch (TPS)/polylactic acid (PLA) blends. The effect of the compatibilizer HBP2-g-PLA was evaluated in comparison to the control sample (TPS/PLA blend without HBP2-g-PLA). The torque value of the TPS/PLA blends with HBP2-g-PLA was lower than that of the control sample, while thermal stability and crystallinity followed opposite behavior. The glass transition temperature (T g) and degree of crystallinity of the TPS/PLA blends with HBP2-g-PLA decreased with increasing mass fraction of HBP2-g-PLA. By scanning electron microscopy (SEM), it was observed that the morphology of the TPS/PLA blends with HBP2-g-PLA was more homogeneous than that of the control sample, confirming that HBP2-g-PLA acted as a compatibilizer and plasticizing agent to the TPS/PLA blends. Rheological analysis of the compatibilized TPS/PLA blends indicated the presence of microstructure.

show abstract

Section: Introductionmentioning

confidence: 99%

Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends

Mesias

Murillo

2018

Polímeros

View full text Add to dashboard Cite

show abstract

“…Phenol is a basic raw material for various products such as fungicides, insecticides, herbicides, drugs, paints, cosmetics, lubricants, and is used as preservative for wood, glue, vegetables, and leather . It is mostly (35%) used in the commercial production of a wide variety of resins including phenolic resins, epoxy resins and adhesives, and polyamides . Therefore the phenolic compounds are frequently present in the industrial wastewater from coke ovens, petroleum refineries, and the production of fiber glass, resins, textiles, and petrochemicals …”

Section: Introductionmentioning

confidence: 99%

Removal of Phenol From Aqueous Solution Using the Green Macroalga Chara sp

Mahdizadeh

Aber

Dehghan

2018

CLEAN Soil Air Water

View full text Add to dashboard Cite

Biological treatment of phenol solution using the green macroalga Chara sp. is investigated in this study. The findings from batch experiments reveal the ability of Chara to remove phenol from aqueous solution. A central composite design (CCD) is employed for the optimization of the phenol removal process. The effects of the pH of phenol solution, initial concentration of phenol, algal biomass, and temperature on phenol removal from aqueous solution are tested. The correlation coefficient of R2 = 93% and the adjusted correlation coefficient of R2(adj) = 0.87 shows the conformity between the model outcomes and experimental results. The predicted response (phenol removal after 4 h) under optimal conditions is 72.30%, which is close to the experimental result (71.45%). The maximal removal of phenol is achieved at the optimal conditions of pH of 5, initial phenol concentration of 13.5 mg L−1, algal mass of 1.2 g, and temperature of 30 °C. The results show that Chara alga has the potential for phenol removal from aqueous solution. The results suggest a biodegradation mechanism, but this has not yet been confirmed.

show abstract

“…The preparation and characterization of novel three-dimensional polymeric coatings is not only fascinating for academic research because of their complexity in structure and challenge for synthesis 1,2 but also because of their industrial applications. 3,4 It is well known that dendritic polymers have been especially attractive for industrial purposes because of their high functionality, high solubility, and unique environmentally friendly behavior. During the preparation of dendritic polymers, however, many steps were needed, leading to a relatively high cost and limiting their broad application.…”

Section: Introductionmentioning

confidence: 99%

Hyper-branched acrylic resin with high solid contents

Ding

Liu

Chen

et al. 2017

Journal of Thermoplastic Composite Materials

View full text Add to dashboard Cite

A novel high solids acrylic resin (HSARs) with high solid content (78%) was synthesized from co-polymerization of the methyl methacrylate, butyl acrylate, acrylate acid, hydroxyl propyl acrylate, and hyper-branched macromonomer (HBM) in this study. The HBM was prepared by an “A2 + B3 + CA2” reaction system that covers four steps. The progress of each step of the reaction was monitored by real-time analysis for acid value and hydroxyl value of the reactants. Fourier transform infrared spectroscopy (FTIR) and 1H nuclear magnetic resonance (NMR) was employed to characterize the structure of HBM. The viscosity, mechanical properties, solvent resistance, and volatile organic compounds (VOC) of the HSARs were also assessed. Compared with conventional commercial polyacrylate resin with a 42% solid content, solid content of HSARs was increased by 78% and VOC was decreased by 40% due to the addition of HBM. Moreover, the HSARs resin possesses good solvent resistance and lower viscosity, which provides the possibility of decreasing the organic solvent when using them to make operational coatings.

show abstract

Hyperbranched phenolic-alkyd resins with high solid content

Cited by 16 publications

References 38 publications

Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends

Hyperbranched polyester polyol modified with polylactic acid as a compatibilizer for plasticized tapioca starch/polylactic acid blends

Removal of Phenol From Aqueous Solution Using the Green Macroalga Chara sp

Hyper-branched acrylic resin with high solid contents

Contact Info

Product

Resources

About