wet strength การใช้

• To improve the wet strength it is common to use chemicals.
• The wet strength is often an important parameter for tissue paper.
• The wet strength chemicals may improve the dry strength of the paper as well.
• Paper is made from either virgin or Resin size is used to improve the wet strength.
• In recent years, efforts have been devoted to develop environmentally friendly wet strength resins from renewable resources.
• Wet strength resins, Rosin sizes and AKD-sizes.
• Wet strength adhesives are often needed.
• The difference is in the arrangement of the polymers within the fiber and the varying wet strengths that result.
• Different wet strength chemicals are in use, like " wet strength resins " or " neutral sizing agents ".
• Different wet strength chemicals are in use, like " wet strength resins " or " neutral sizing agents ".
• Normal wet strength resins are : urea-formaldehyde ( UF ), melamine-formaldehyde ( MF ) and polyamide-epichlorohydrin ( PEA ).
• There are many uses including the paper industry, where in it has been shown to improve the wet strength of consumer products.
• With combined board such as corrugated fiberboard or with laminations, wet strength also includes the ability to stay intact under humid or wet conditions.
• Significant persons developing functional chemicals in Hercules could be mentioned : Dr . Keim on his efforts developing PAE wet strength resin, Mr Kai Kivi?on his efforts on developing cationic rosin size.
• In 1979, the work force of 280 was producing 1, 500 tonnes of product a week form mainly recycled pulp, including brown paper for use by the cardboard box industry, plus glazed and wet strength papers for bags, envelopes, wallpapers, and wrappings.