Results 1 to 10 of about 100,518 (249)

Cross-Linking of Oxidized Hydroxypropyl Cellulose in Paper: Influence of Molecular Weight and Polymer Distribution on Paper Wet Strength Development [PDF]

open access: yesGels, 2023
With the overarching aim for the development of sustainable, nontoxic wet strength agents for paper, a novel polymer gel system based on oxidized hydroxypropyl cellulose (keto-HPC) cross-linked with polyamines was investigated in detail to gain a deeper ...
David Seelinger, Markus Biesalski
doaj   +2 more sources

Polymeric Wet-Strength Agents in the Paper Industry: An Overview of Mechanisms and Current Challenges [PDF]

open access: yesInternational Journal of Molecular Sciences, 2023
Iolanda Francolini   +2 more
exaly   +2 more sources

Exploration on mechanical test method of improved loess under dry-wet cycles [PDF]

open access: yesMATEC Web of Conferences, 2022
The stability of loess subgrade is affected by many factors. Dry-wet cycle is a common factor that causes damage to the strength of loess subgrade. In order to study the influence of dry-wet cycle on the stability of loess subgrade, reveal the mechanism ...
Zhao Laishuan   +3 more
doaj   +1 more source

Synthesis and Evaluation of Glyoxalated Polyacrylamide (GPAM) as a Wet and Dry-Strengthening Agent of Paper [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2014
Polyacrylamides have wide range of industrial applications as well as paper industry. They are applied mainly as clarifiers, retention and paper strengthening agents.
Rahim Yadollahi   +3 more
doaj   +1 more source

Studies On The Wet Strength Paper

open access: yesJournal of the Japanese Technical Association of the Pulp and Paper Industry, 1951
The process of preparation of urea melamine formaldehyde copolycondensates according to Wohnsiedler and others is improper when 70 mol% or more of urea are to be used, the resin colloidal solution coagulates in the case of such high ureacontent to soft white jellies or white insolubles precipitates in a short time.
Isamu Yoshino, Shozo Senda
  +7 more sources

EFFECT OF ADDITION OF WET-STRENGTH AGENT ON TENSILE STRENGTH OF PAPER

open access: yesJournal of Sustainable Technologies and Materials, 2023
Wet-strength paper production is of great significance due to its prominent importance in everyday consumer activities. Production of these paper types is very challenging for the manufacturer since they have to meet very specific demands.
Edina Husić, Šefkija Botonjić
doaj   +1 more source

Evolution of Peak Shear Strength of Rock Fractures Under Conditions of Repetitive Dry and Wet Cycling

open access: yesFrontiers in Earth Science, 2022
The degradation of shear mechanical properties of rock fracture surfaces was determined after applying multiple dry-wet cycles. Artificially fractured feldspathic sandstone specimens were soaked in chemical solutions with pH values of 2, 7, and 12 for 3,
Baohua Guo   +7 more
doaj   +1 more source

Optimization of Manufacturing Parameters and Experimental Study of Rice Straw Fiber-Based Plant Fiber Seedling Pots

open access: yesAgronomy, 2023
In order to improve and alleviate environmental pollution caused by the disposal of seedling pots, a rice straw fiber-based headed vegetable seedling pot material, which is suitable for mechanical transplantation and biodegradable, was studied. Used rice
Qianjin Zhu   +6 more
doaj   +1 more source

Effect of Hemicellulose on the Wet Tensile Strength of Kozo Paper

open access: yesMolecules, 2023
Kozo paper, usu-mino-gami, is frequently used as the first back lining paper of hanging scrolls in order to support the main paper with a painting or a work of calligraphy on it.
Zhiyou Han   +4 more
doaj   +1 more source

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