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Base paper for thermal stencil printing and its manufacturing method

A technology for stencil printing and a manufacturing method, which is applied to the base paper for thermal stencil printing and its manufacturing field, and can solve the problems of easy electrostatic charging and low transportability.

Active Publication Date: 2015-10-07
RISO KAGAKU CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the base paper using Japanese paper that does not incorporate natural fibers in the support has the problem of being easily charged with static electricity and having low conveyability compared to base paper that incorporates natural fibers

Method used

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  • Base paper for thermal stencil printing and its manufacturing method
  • Base paper for thermal stencil printing and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Add a lithium imide antistatic agent (SANKONOL PEO-20R, formula (1 ) R 1 , R 2 Both are CF 3 SO 2 -, molecular weight 287, lithium imide component 20%, manufactured by Sanko Chemical) 2.5g, and the obtained mixture was mixed at 2.8g / m 2 The amount is coated on the support made of paper only with polyester fiber (thickness 40 microns, basis weight 12g / m 2 ) for heat hardening. Next, apply 0.45 g / m 2 After applying a UV-curable adhesive (urethane (meth)acrylate-based) in an amount of 100 oz., and laminating the above-mentioned support, it was cured by irradiating ultraviolet rays (OHD-320M manufactured by ORC Seisakusho) from the side of the polyester film to produce a base paper. The lithium content in this base paper was 24 ppm.

Embodiment 2

[0050] Lithium imide antistatic agent (SANKONOL TGR, formula (1) R 1 , R 2 Both are CF 3 SO 2 -, molecular weight 287, lithium imide component 56%, manufactured by Sanko Chemical) 10 g was added to 90 g of UV-curable adhesive (urethane (meth)acrylate) and stirred to obtain an adhesive liquid. On the same polyester film as the polyester film used in Example 1 at 0.45 g / m 2 The above-mentioned adhesive solution is applied in an amount of In addition, Japanese paper made of polyester fiber was treated in the same manner as in Example 1 except that the lithium compound was not blended into the aqueous polyurethane latex. After laminating this on the adhesive layer, it was cured with ultraviolet rays in the same manner as in Example 1 to produce a base paper. The lithium content in this base paper was 34 ppm.

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Abstract

The invention provides body paper used for thermosensitive porous printing, and deposits would not be generated on thermosensitive head components, and antistatic property in low humidity is excellent. The body paper used for thermosensitive porous printing is characterized in that a thermoplastic resin film is disposed on at least a surface of a porous supporting body. The body paper used for thermosensitive porous printing contains lithium compounds whose lithium element content is 5-50 ppm.

Description

technical field [0001] A base paper for thermal stencil printing is generally composed of a porous support (hereinafter sometimes referred to as a "support") and a thermoplastic resin film laminated on the support. Among them, the base paper used in digital printing machines usually has a long strip shape, and is assembled on the printing machine in a state of being wound into a roll, and is sent out from the roll for use during printing. Background technique [0002] As the porous support, thin paper, yarn, non-woven fabric, etc. are used. When thin leaf paper (hereinafter sometimes referred to as "Japanese paper") is used, more natural fibers are used in order to reduce costs. However, natural fibers have less microfibers than synthetic fibers and are mixed with inclusions, which hinder the passage of ink in the support. , causing a reduction in image quality. Therefore, in recent years, in order to form high-quality images, base papers that do not use natural fibers for...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41M5/00B32B27/06B32B27/20B32B37/02
Inventor 铃木茂司石田达哉江连真市石川正人服部顺行小山宗央井上茂纪片山充祥
Owner RISO KAGAKU CORP