Determination of calcium carbonate and styrene-butadiene latex content in the coating layer of coated paper

Zhao, Haibin; Hou, Qingxi; Hong, Yanping; Liu, Wei; Li, Yang; Fang, Tong

doi:10.1016/j.jiec.2013.07.049

Cited by 14 publications

(6 citation statements)

References 12 publications

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“…1 shows the FTIR spectra of pure CaCO3and fiberplastic composites. The peak at 872 -876 cm -1 band range was determined to characterize the content of CaCO3 in fibers and FPCs according to pure CaCO3 spectra and the studies of Feng [18] and Zhao et al [19]. The characteristic peaks of CaCO3 at 872 cm -1 and 1390 cm -1 bands can be shown on pure CaCO3.…”

Section: Discussionmentioning

confidence: 99%

The Effects of CaCO3 Coated Wood Free Paper Usage as Filler on Water Absorption, Mechanical and Thermal Properties of Cellulose-High Density Polyethylene Composites

Peşman

Tufan

2016

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In this study some physical, mechanical and thermal characteristics of high density polyethylene (HDPE) and CaCO3 coated/pigmented wood free paper fiber composites were investigated. The fillers used in this study were uncoated cellulose, 5.8 %, 11.5 %, 16.5 % and 23.1 % CaCO3 coated wood free paper fibers. Each filler type was mixed with HDPE at 40% by weight fiber loading. In this case, the ratio of CaCO3 in plastic composites was calculated as 0 %, 2.3 %, 4.6 %, 6.6 % and 9.2 % respectively. Increased CaCO3 ratio improved the moisture resistant, flexural and tensile strength of cellulose-HDPE composites. However, the density of the cellulose-HDPE composites increased with CaCO3 addition. Energy Dispersive Spectroscopy on Scanning Electron Microscope analysis demonstrated the uniform distribution of CaCO3 and cellulose fiber in plastic matrix. In addition, the thermal properties of fiber plastic composites were investigated. The results of Differential scanning calorimetry analysis revealed that the crystallinity of the samples decreased with increasing CaCO3 content. Consequently, this work showed that CaCO3 coated waste paper fibers could be used as reinforcing filler against water absorption in thermoplastic matrix.

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Section: Discussionmentioning

confidence: 99%

The Effects of CaCO3 Coated Wood Free Paper Usage as Filler on Water Absorption, Mechanical and Thermal Properties of Cellulose-High Density Polyethylene Composites

Peşman

Tufan

2016

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“…Differing from BPNN, GRNN is a variation to radial basis neural networks and consists of four layers: input, pattern, summation and output layers [21][22][23]. Terahertz spectra are used as the input vectors in the first layer.…”

Section: Grnn Algorithmmentioning

confidence: 99%

Generalized regression neural network association with terahertz spectroscopy for quantitative analysis of benzoic acid additive in wheat flour

et al. 2019

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Investigations were initiated to develop terahertz (THz) techniques associated with machine learning methods of generalized regression neural network (GRNN) and back-propagation neural network (BPNN) to rapidly measure benzoic acid (BA) content in wheat flour. The absorption coefficient exhibited a maximum absorption peak at 1.94 THz, which generally increased with the content of BA additive. THz spectra were transformed into orthogonal principal component analysis (PCA) scores as the input vectors of GRNN and BPNN models. The best GRNN model was achieved with three PCA scores and spread value of 0.2. Compared with the BPNN model, GRNN model to powder samples could be considered very successful for quality control of wheat flour with a correlation coefficient of prediction ( r p ) of 0.85 and root mean square error of prediction of 0.10%. The results suggest that THz technique association with GRNN has a significant potential to quantitatively analyse BA additive in wheat flour.

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“…The spectrum depicts bands typically from TPE based on SEBS/PP/oil/calcite, such as the peaks at 2952 cm -1 , 1493 cm -1 , 757 cm -1 and 698 cm -1 that are common in aromatic compounds, the peaks at 2920 and 2852 cm -1 attributed to C-H vibrations. Also, bands were found at 1455 and 1377 cm -1 corresponding to methyl group and at 876 cm -1 which represents carbonyl group from CaCO 3 [23][24][25][26][27] . There were no differences in the FTIR-ATR profiles between aged and unaged compounds.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Thermoplastic Elastomers Containing Zinc Oxide as Antimicrobial Additive Under Thermal Accelerated Ageing

et al. 2017

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Styrene-ethylene/butylene-styrene (SEBS) copolymer-based thermoplastic elastomers (TPE) are applied in the production of household items used in places with conditions for microbial development. Metal oxides like zinc oxide (ZnO) and others can be added to the TPE composition to prevent microbial growth. The aim of this study is to evaluate the effect of thermal accelerated ageing on mechanical, chemical and antibacterial properties of SEBS-based TPE containing 0%, 1%, 3%, and 5% zinc oxide. Zinc oxide was characterized by laser diffraction, X-ray diffraction, superficial area, porosity and scanning electron microscopy. Both aged and unaged samples were analyzed by infrared spectroscopy, tensile at rupture, elongation at rupture, hardness and antimicrobial activity against Escherichia coli and Staphylococcus aureus. Following thermal exposure, a reduction of antimicrobial activity was observed. No significant difference was observed in the chemical and mechanical characteristics between aged and unaged samples.

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Determination of calcium carbonate and styrene-butadiene latex content in the coating layer of coated paper

Cited by 14 publications

References 12 publications

The Effects of CaCO3 Coated Wood Free Paper Usage as Filler on Water Absorption, Mechanical and Thermal Properties of Cellulose-High Density Polyethylene Composites

The Effects of CaCO3 Coated Wood Free Paper Usage as Filler on Water Absorption, Mechanical and Thermal Properties of Cellulose-High Density Polyethylene Composites

Generalized regression neural network association with terahertz spectroscopy for quantitative analysis of benzoic acid additive in wheat flour

Thermoplastic Elastomers Containing Zinc Oxide as Antimicrobial Additive Under Thermal Accelerated Ageing

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