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A kind of steel warm paper and its preparation process

A preparation process and paper-forming technology, applied in the field of papermaking, can solve problems affecting the quality of iron and steel smelting, etc., and achieve the effects of improving the glue absorption speed and glue absorption, improving the hardness and rigidity of the tube, and improving the flame retardancy.

Active Publication Date: 2021-11-02
ZHONGTIAN PAPER
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0007] (4) The protection tubes are mostly disposable consumables, the price must be low, and the substances produced by combustion cannot affect the quality of steel smelting

Method used

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  • A kind of steel warm paper and its preparation process
  • A kind of steel warm paper and its preparation process

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Embodiment Construction

[0021] In order to make the technical solutions and beneficial effects of the present invention clearer, the present invention will be further described in detail below in conjunction with specific examples. It should be understood that the specific embodiments described here are only for understanding the present invention and are not intended to limit the present invention. All other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0022] A steel warm paper and its preparation process, comprising, the tightness of the steel warm paper is 0.64±0.01g / cm 3 , water absorption value (15s) 300 ± 50g / m 2 , Paper moisture is 7±0.2%.

[0023] Preferably, the thickness of the steel warm paper is divided into two types: 0.55mm and 0.57mm, and the allowable error range of the thickness is ±0.015mm.

[0024] Preferably, the longitudinal ring pressure index of the steel temperature paper is...

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Abstract

The invention discloses a steel warm paper and a preparation process thereof, and mainly relates to the technical field of papermaking. The thickness of the paper is 0.55mm and 0.57mm, the allowable error range of the thickness is ±0.015mm, and the tightness is 0.64±0.01g / cm 3 , Longitudinal ring pressure index 8.5±0.5N.m / g, interlayer bond strength 130±20J / m 2 , water absorption value (15s) 300±50g / m 2 , the paper moisture is 7.0 ± 0.2%; the paper tube base paper manufacturing process includes pulping, paper forming, rewinding, and then packaging, refining during the pulping, and adding auxiliary materials and fillers when forming the paper. The invention has the advantages of low cost, low tightness, built-in burrs, and low price, and can endow the paper tube with good hardness, rigidity, flame retardancy and the like after the tube is rolled.

Description

technical field [0001] The invention mainly relates to the technical field of papermaking, in particular to a steel warm paper and a preparation process thereof. Background technique [0002] With the rapid development of our country's economy, paper core and paper tube base paper products have the advantages of low cost, light weight, easy recycling, no pollution, no pollution, etc., and have been widely used in papermaking, packaging, textile and chemical fiber industries and other special industries. Applications. It can be used not only as the inner core of various webs and cardboards, but also as a textile bobbin for synthetic filament, polyester, polypropylene, spandex, etc., especially for the paper bobbin used in the textile industry has gradually replaced the tapered bobbin. While people are testing the quality of paper cores and tubes, the concept of technical requirements for the base paper used has also undergone great changes. [0003] Thermocouple is an impor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D21H11/00D21H11/14D21H21/12D21H17/68D21H17/66D21F11/04D21H19/10D21H17/28
CPCD21F11/04D21H11/00D21H11/14D21H17/28D21H17/66D21H17/68D21H19/10D21H21/12
Inventor 高其峰王大伟王晓鹏
Owner ZHONGTIAN PAPER
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