紙用二酸化チタン

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紙用二酸化チタン

Excellent clarity, transparency and printing performance with high performance titanium dioxide designed for the paper industry. Our TiO₂ provides a uniform brightness and an outstanding light-scattering capability, which allows producers to create high quality paper in line with the highest requirements.

What Is Titanium Dioxide For Paper?

Titanium dioxide (TiO₂) is a kind of function additive which has wide application in paper-making. As a white inorganic pigment, it is incorporated into paper, or applied as a coating pigment to deliver exceptional whiteness, brightness, and opacity. Different from other mineral fillers, TiO₂ is able to perform at very low adding levels, but also yield measurable improvements in optical properties – making it a technological and economical asset in contemporary paper production.

In paper production, two primary crystal forms are used: rutile and anatase. Rutile TiO₂ provides excellent transparency and weatherproof properties, making it a prime candidate for printers, wrappers, and special applications. Anatase grade, due to its softer grain structure, is generally chosen for tissue and some coated paper grades for which surface smoothness is a priority. The two classes are designed so that they are evenly distributed in the base of the paper, so that they can be evenly formed and printed on a high speed production line.

Key Advantages of Titanium Dioxide for Paper

Outstanding Opacity — TiO₂ has one of the highest refractive indices of any white pigment (approximately 2.7 for rutile), allowing it to scatter light more effectively than calcium carbonate or kaolin. Even at low loading levels, it greatly decreases the performance of thin and light papers.
Superior Brightness and Whiteness —Improves ISO luminance and CIE white. Achieves high quality quality, office paper, and packing plates.
Improved Print Quality — Increased transparency and smoothness of the surface are direct benefits of more pronounced ink retention, improved colour contrast, and decreased ink loss – essential for high-resolution digital and offset printing applications.
Lightweight Paper Enablement —Through the maximization of the opacity for each gram of filling, the titanium dioxide enables the producer to lower the base weight at the expense of the paper quality and the cost of the material conservation and the sustainability objectives.
Coating Compatibility — TiO₂ is a seamless integration of both the size and the blade paint formula. It can be used in conjunction with other paints such as GCC and clay to optimise the rheological properties of the paint and final use.
Consistency in Production — The stability of the chemistry and the small grain size distribution promote predictable runnability, decrease the variation on the paper mill and increase the total productivity.

業界が直面する課題

Opacity Demand in Lightweight Grades

While the paper makers are moving towards thinner and lighter plates, it is still a continuing technological challenge to maintain sufficient transparency while not raising the filling capacity.

Rising Raw Material and Production Costs

Fluctuations in the cost of pulp, power and mineral filling put continuous pressure on the paper manufacturers to optimise the use of the additive while maintaining the quality of the sheet.

Stricter Print Performance Requirements

The increasing need for high resolution digital and offset printing makes it necessary to have a more compact color, white and smooth finish than a base filling alone.

製品概要

Specific Use Scenarios — titanium dioxide for paper

Paper Filling (Wet-End Addition)

Titania was added into the pulp paste in wet phase. In this case, TiO₂ particles are scattered across the fibre substrate, greatly enhancing the transparency and brightness of the panel from inside. This inner adding technique is particularly useful in the case of a printer or a typewriter, in which even distribution of light across the board is necessary to decrease the amount of ink loss and increase legibility.

Surface Sizing

In surface sizing applications, a liquid containing TiO2 is coated on the paper by means of a size press in the middle of the drying periods. This method strengthens the surface intensity, increases the brightness homogeneity, and makes the plate ready to be printed or applied later. Surface sizing with TiO₂ has been extensively applied to office paper and light coated paper grades for which a balance of smoothness, rigidity, and optical properties is needed.

Blade and Roll Coating

TiO₂ is a key pigment component in coating colour formulations applied by blade or roller coaters. Coupled with binding agents and copigments like GCC or kaolinite, it provides a smooth, high luminance coating that greatly enhances the quality of the print, the sticking point and the colour accuracy. This is essential for high quality coated paper for journals, catalogs, and high end business printing.

Specialty and Functional Paper Production

In addition to standard grades, TiO₂ plays an essential role in the manufacture of specialized papers including décor paper, laminate base paper, banknote paper, and filter paper. In décor and lamination applications, an extreme degree of transparency is needed to fully conceal the substrate under printed patterns — a performance level that only TiO₂ can reliably achieve at commercial feasible addition rates.

Tissue and Hygiene Paper

In tissue paper production, titanium dioxide is applied to enhance the vision and beauty of face tissue, toilet tissue, and napkin. The fine grain size and gentle wear properties enable it to blend well with the fine fibre web of a tissue panel, providing a luminous boost while maintaining flexibility, absorption, or skin contact.

Packaging Board and Containerboard

White Top Liner and Fold-Out Box Panel are coated with TiO₂ on the Top Paint Layer to obtain the desired Brightness and Print Contrast for Consumer Oriented Packaging. Labels and retailers demand accurate, consistent reproduction of colours, and titanium dioxide in the paint formulation guarantees that the surface complies with the strict vision and printing criteria.

Our titanium dioxide for paper Advantages

Unmatched Opacity and Brightness

With one of the highest refractive indices among white pigments, TiO₂ delivers superior light scattering efficiency, achieving exceptional sheet opacity and ISO brightness even at low addition levels — outperforming conventional fillers like calcium carbonate and kaolin in optical performance.

Versatile Across All Paper Grades and Processes

From wet-end filling and surface sizing to blade coating and specialty paper production, TiO₂ integrates seamlessly into diverse papermaking processes and formulations, making it a reliable performance pigment for printing papers, packaging boards, tissue, décor, and functional specialty grades.

Supports Lightweight and Sustainable Paper Production

Through maximum transparency for each filling unit, TiO₂ allows producers to cut base weight and total material consumption at the expense of paper quality – in direct support of sustainable objectives, lower raw material costs, and compliance with stricter environment requirements throughout the paper supply chain.

二酸化チタンのすべてのカテゴリを検索

Are you searching for suitable titania for your paper application? Our complete range of products includes both rutile and anatase grades, which are designed to satisfy various requirements for pulp, paint, and special paper manufacturing. Check out our full Titanium Oxide Inventory for Comparison of Specs, Grain Sizes, and Applied Suggestions – and determine which Level is Most Suitable for Your Process.

すべての産業向けソリューションを検索

Titania is only one component in a wider range of high performance chemicals. Regardless of whether you use active carbon for cleaning and filtering, aluminum oxide for catalyzing and surface treating, or titanium dioxide for optics and paint, we offer a broad range of technical requirements. Check out our Industry Solutions section to look at tailor-made proposals from different departments and identify appropriate mix of materials for your particular application.

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