JPH04193599A - Solid correcting jig - Google Patents

Solid correcting jig

Info

Publication number
JPH04193599A
JPH04193599A JP32306890A JP32306890A JPH04193599A JP H04193599 A JPH04193599 A JP H04193599A JP 32306890 A JP32306890 A JP 32306890A JP 32306890 A JP32306890 A JP 32306890A JP H04193599 A JPH04193599 A JP H04193599A
Authority
JP
Japan
Prior art keywords
use amount
pref
crystalline cellulose
less
corrected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP32306890A
Other languages
Japanese (ja)
Other versions
JP2883885B2 (en
Inventor
Yoichi Takano
洋一 高野
Shunyu Ogiwara
荻原 俊勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tombow Pencil Co Ltd
Original Assignee
Tombow Pencil Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tombow Pencil Co Ltd filed Critical Tombow Pencil Co Ltd
Priority to JP32306890A priority Critical patent/JP2883885B2/en
Publication of JPH04193599A publication Critical patent/JPH04193599A/en
Application granted granted Critical
Publication of JP2883885B2 publication Critical patent/JP2883885B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To make a concealed place possible to rewrite within a short time by adding crystalline cellulose to dermatograph composed of white pigment and a resin or waxes. CONSTITUTION:White pigments are used in order to conceal a place to be corrected and ones having larger hiding power are pref. and, usually, rutile or analase type titanium oxide can be used. These white pigments can be used alone or a mixed form of two or more kinds of ones and the use amount thereof is pref. 40-70% by wt. of a total composition and, when the use amount is 40wt.% or less, hiding power is insufficient and handwriting can not be sufficiently corrected and, when the use amount is 70wt.% or more, no pref. effect is obtained because a correction jig becomes fragile. Crystalline cellulose is prepared by hydrolyzing purified pulp by a mineral acid and purifying and drying cellulose of a crystal region and pref. has a mean particle size of 20m or less. When the mean particle size is 20mum or more, a corrected surface is rough and lack in leveling properties. The use amount of crystalline cellulose is pref. 3-30wt.% and, when the use amount is 3wt.% or less, rewriting properties are inferior and, when the use amount is 30% or more, hiding power is lowered.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は筆記個所を隠蔽して修正する固形状の修正具に
関し、特に該修正具によって隠蔽した個所を短時間のう
ちに再筆記可能となるような修正具に関する。
DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a solid correction tool that conceals and corrects a written area, and particularly to a solid correction tool that allows the correction tool to quickly rewrite the area covered by the correction tool. Concerning correction tools.

(従来の技術) 従来より筆記された修正個所を隠蔽し、再び同箇所を筆
記可能とする修正具は知られているが、このような修正
具の多くは液体状のものである。
(Prior Art) Correcting tools that hide a corrected area that has been written on and make it possible to write on the same area again are known, but most of these correction tools are liquid.

すなわち、従来の修正具は隠蔽力の大きい白色顔料及び
バインダー樹脂を揮発性有機溶媒に分散した液体よりな
り、この修正液を修正すべき個所に塗布、乾燥させ、形
成した白色顔料の塗膜上を再筆記等を行なうという方法
が採られている。
In other words, conventional correction tools consist of a liquid in which a white pigment with high hiding power and a binder resin are dispersed in a volatile organic solvent. A method is adopted in which the information is rewritten.

しかし、このような修正方法では、修正液を塗布後、完
全に乾燥して再筆記可能となるには数十秒という長時間
を必要とするばかりでなく、再度、同じ個所を修正する
ことは不可能であった。
However, with this type of correction method, not only does it take a long time, several tens of seconds, for the correction fluid to dry completely and become possible to rewrite after applying it, but it is also impossible to correct the same spot again. Met.

液状の修正具の欠点である再筆記するために長時間を要
するという欠点を改善するため、例えば特開昭62−1
69873号公報、或は特開昭63−238000号公
報に示されているような固形状の修正具が考えられてい
る。
In order to improve the disadvantage of liquid correction tools that it takes a long time to rewrite, for example, Japanese Patent Application Laid-Open No. 62-1
Solid correction tools such as those shown in Japanese Patent Application Laid-open No. 69873 and Japanese Patent Application Laid-open No. 63-238000 have been considered.

しかし、特開昭62−169873号公報に記載されて
いる固形修正具は、白色顔料、樹脂及びワックス類を混
合しこれに可塑剤、乾性油を添加して固体上に練り合わ
せたものであるが、滑らかさに欠けると云う欠点があり
、また、特開昭63−238000号公報に記載されて
いる固形修正具はワックスと白色顔料と高吸水性高分子
物質よりなるというものであるが、この固形修正具は高
吸水性高分子物質を使用しているために、体積増加が大
で塗膜が盛り上がる傾向がある。
However, the solid correction tool described in JP-A No. 62-169873 is a mixture of white pigment, resin, and waxes, to which a plasticizer and drying oil are added, and kneaded onto a solid surface. However, the solid correction tool described in JP-A No. 63-238000 is made of wax, white pigment, and super absorbent polymer material. Since solid correction tools use superabsorbent polymer materials, their volume increases significantly and the paint film tends to swell.

(解決しようとする課題) 本発明者は、上記の欠点を改善した固形状修正具につい
て種々検討した結果、従来ダーマットグラフと称されて
いる鉄板やガラス等の表面に描ける絵具に結晶性セルロ
ースを添加することによって、再筆記性及びレベリング
性の優れた固形修正具が得られることを見出し、本発明
を完成するに至ったもので、本発明の目的は、修正具に
よって隠蔽した個所を短時間のうちに再筆記可能となり
、且つ、レベリング性の優れた固形状修正具を提供する
にある。
(Problem to be Solved) As a result of various studies on solid correction tools that improve the above-mentioned drawbacks, the present inventor discovered that crystalline cellulose is a paint that can be painted on the surfaces of iron plates, glass, etc., conventionally called Dermatgraph. It was discovered that a solid correcting tool with excellent rewriting and leveling properties could be obtained by adding To provide a solid correction tool that can be rewritten within a short period of time and has excellent leveling properties.

(課題を解決するための手段) 本発明の要旨は、白色顔料及び樹脂またはワックス等の
ワックス類からなるダーマットグラフに結晶セルロース
を添加したことを特徴とする固形修正具である。
(Means for Solving the Problems) The gist of the present invention is a solid correction tool characterized by adding crystalline cellulose to Dermatgraph, which is made of a white pigment and resin or wax such as wax.

即ち、本発明に係る固形修正具は、上記の組成よりなる
ダーマットグラフに結晶セルロースを添加したことによ
り隠蔽した個所は滑らかとなり、レベリング性の優れ、
紙状の修正面を形成するため容易に再筆記可能となる。
That is, in the solid correction tool of the present invention, by adding crystalline cellulose to the dermatgraph having the above composition, the hidden areas become smooth, and the solid correction tool has excellent leveling properties.
Since it forms a paper-like correction surface, it can be easily rewritten.

本発明について、更に詳細に説明する。The present invention will be explained in more detail.

本発明における白色顔料としては、修正する個所を隠蔽
するために使用するもので、隠蔽力の大きいほど好まし
く、通常ルチル型、アナターセ型等の酸化チタンが利用
できる。これらの白色顔料は単独でも2種以上適宜混合
して使用でき、その使用量は全組成中40〜70重量%
か好ましく、40重量%以下では一蔽力が不十分で充分
に筆跡を修正することができず、又、70重量%以上で
は脆弱であって好ましくない。
The white pigment used in the present invention is used to hide the area to be corrected, and the greater the hiding power, the better. Titanium oxides such as rutile type and anatase type can usually be used. These white pigments can be used alone or in an appropriate mixture of two or more, and the amount used is 40 to 70% by weight of the total composition.
If it is less than 40% by weight, the covering power is insufficient and the handwriting cannot be corrected sufficiently, and if it is more than 70% by weight, it is undesirable because it is brittle.

樹脂またはワックス等のワックスとは、ダーマットグラ
フに通常使用されているもので、木蝋、カルナバ蝋、パ
ラフィン蝋、蜜蝋、モンタン蝋、微晶蝋、ペトロラタム
等であり、その使用量は全組成中20〜70重量%が好
ましく、70重量2以上では滑性が強く再筆記時ボール
ペンのボールが回転しにくくインキ転写が不連続となる
。又、20重量%以下では脆く、密着力にかけ好ましく
ない。
Waxes such as resins or waxes are those commonly used in Dermatgraph, such as wood wax, carnauba wax, paraffin wax, beeswax, montan wax, microcrystalline wax, petrolatum, etc., and the amount used is in the total composition. It is preferably 20 to 70% by weight, and if it is 70% by weight or more, the slipperiness is strong and the ball of the ballpoint pen becomes difficult to rotate during rewriting, resulting in discontinuous ink transfer. Moreover, if it is less than 20% by weight, it becomes brittle and is undesirable due to poor adhesion.

そして、本発明における結晶セルロースとは精製パルプ
を鉱酸により加水分解し、非結晶領域除去した結晶領域
のセルロースを精製乾燥したもので、平均粒径20μ以
下のものが好ましい。20μ以上では修正面が粗くレベ
リング性に欠ける。市販品としては、アビセル(旭化成
工業(株)製造)等が用いられ、その使用量は3〜30
重量%が好ましく、3重量%以下では再筆記性が悪<3
0%以上では隠蔽性が低下する。
The crystalline cellulose in the present invention is obtained by hydrolyzing purified pulp with mineral acid, removing the amorphous region, and refining and drying the cellulose in the crystalline region, preferably having an average particle size of 20 μm or less. If it is 20μ or more, the corrected surface will be rough and leveling properties will be lacking. As a commercially available product, Avicel (manufactured by Asahi Kasei Industries, Ltd.) is used, and the amount used is 3 to 30
% by weight is preferable, and if it is less than 3% by weight, rewritability is poor <3
If it is 0% or more, the concealing performance is decreased.

更に必要に応じてタルク塔の修正具に添加される常用の
添加剤を配合しても良い。
Furthermore, if necessary, commonly used additives that are added to correction tools for talc towers may be added.

本発明に係る固形修正具は、上記の組成物を例えば二本
ロール又は三本ロールを使用して十分に混合した後、押
出成形、エクストルーダー成形等の成形手段をもって成
形することができる。
The solid correction tool according to the present invention can be formed by thoroughly mixing the above composition using, for example, two rolls or three rolls, and then using a molding method such as extrusion molding or extruder molding.

本発明に係る修正具で構成された塗膜は吸油性を示す。A coating film made of the correction tool according to the present invention exhibits oil absorbency.

したがって、その修正箇所は油性インクを吸収する。Therefore, the repaired area will absorb oil-based ink.

(実施例) 以下、実施例をもって本発明を更に具体的に説明する。(Example) Hereinafter, the present invention will be explained in more detail with reference to Examples.

なお、配合割合は、重量部である。Note that the blending ratio is in parts by weight.

実施例1 バイエルチタン 2040 クラウンP−2タルク        20アビセルP
H−MOS(粒径6μ)     10花王M−805 木蝋                10カルナバ蝋
             15上記配合割合をニーダ
−及び三本ロールにて加 熱しながら混練し、ペレット
化する。このペレットをエクストルーダー成形機にて所
定の形状として固形修正具を得た。
Example 1 Bayer Titanium 2040 Crown P-2 Talc 20 Avicel P
H-MOS (particle size 6μ) 10 Kao M-805 Wooden wax 10 Carnauba wax 15 The above blending ratio is kneaded with heating using a kneader and three rolls, and pelletized. This pellet was shaped into a predetermined shape using an extruder molding machine to obtain a solid correction tool.

実施例2 東北化学酸化チタンTCA−555,50Hi−Fil
lerタルク       10アビセルPH−M2S
(粒径I5μ)    15花三M−805 木蝋                IOカルナバ蝋
             10上記配合割合をニーダ
−及び三本ロールにて加熱しなから混練し、ペレット化
する。二のべしットをエクストルーダー成形機にて所定
の形状として固形修正具を得た。
Example 2 Tohoku Chemical Titanium Oxide TCA-555,50Hi-Fil
ler talc 10 Avicel PH-M2S
(Particle size I5μ) 15 Hanasan M-805 Wooden wax IO carnauba wax 10 The above blending ratio is heated and kneaded using a kneader and three rolls, and then pelletized. A solid correction tool was obtained by shaping the second piece into a predetermined shape using an extruder molding machine.

比較例1 東北化学酸化チタンTCA−55550Hi−Fill
erタルク       20パラフイン蝋     
        10木蝋             
  ’10カルナバ蝋             lO
上記配合割合を実施例1の場合と同様に、ニーダ−及び
三本ロールにて加熱しながら混練し、ペレット化する。
Comparative Example 1 Tohoku Chemical Titanium Oxide TCA-55550Hi-Fill
er talc 20 paraffin wax
10 Japanese wax
'10 Carnauba wax lO
The above blending ratio is kneaded with heating using a kneader and three rolls in the same manner as in Example 1, and pelletized.

このペレットをエクストルーダー成形機にて所定の形状
として固形修正具を得た。
This pellet was shaped into a predetermined shape using an extruder molding machine to obtain a solid correction tool.

得られた固形修正具について、その特性を調べたところ
第1表のような結果が得られた。
When the characteristics of the obtained solid correction tool were investigated, the results shown in Table 1 were obtained.

第1表 実施例  比較例 隠蔽性      ・0  0   △レベリング性 
  ○   0X 再筆記性     Cこ   二 級面への密着性  ○   S   △表中各項目の試
験及び評価は次のようにして行なった。
Table 1 Example Comparative Example Hiding property ・0 0 △Leveling property
○ 0X Rewriting property C Adhesion to second grade surface ○ S △ Tests and evaluations for each item in the table were performed as follows.

隠蔽性は黒帯展色紙に筆記荷重300gで描線し、黒い
部分の反射率を測定し、その結果より判断した。
Concealability was determined by drawing a line on black colored paper with a writing load of 300 g, measuring the reflectance of the black area, and judging from the results.

レベリング性は目視により、再筆記性は手書きでインキ
ののりにより判断し、紙面への密着性は目視により判断
した。以上の結果を次の三段階によって表した。
The leveling property was judged visually, the rewriting property was judged by handwriting based on the ink paste, and the adhesion to the paper surface was judged visually. The above results were expressed in the following three stages.

○・・・・・・良好 △・・・・・・可 ×・・・・・・不可 (効果) 以上述べたように、本発明では、修正すべき個所を隠蔽
する白色顔料、及びこれを分散させるワックス類からな
る固形状修正具に、結晶セルロースを添加することによ
ってレベリング性及び際筆記性の優れた固形修正具を提
供することができ、また、これによって修正個所に短時
間のうちに油性インクによる再筆記可能であり、更に、
本発明に係る固形状修正具は、射出成形も可能であり、
これによって複雑な形状或は極細の形状をした修正具が
得られ、したがって、細かい個所の修正なども可能とな
る等の効果を奏することができる。
○... Good △... Good By adding crystalline cellulose to a solid correction tool made of dispersed waxes, it is possible to provide a solid correction tool with excellent leveling and marking properties. It can be rewritten with oil-based ink, and
The solid correction tool according to the present invention can also be injection molded,
As a result, a correction tool having a complicated shape or an extremely thin shape can be obtained, and therefore, it is possible to achieve effects such as making it possible to correct small parts.

Claims (1)

【特許請求の範囲】[Claims] 1 白色顔料及び樹脂またはワックス等のワックス類か
らなるダーマットグラフに結晶セルロースを添加したこ
とを特徴とする固形修正具。
1. A solid correction tool characterized by adding crystalline cellulose to Dermatgraph, which is made of a white pigment and resin or wax such as wax.
JP32306890A 1990-11-28 1990-11-28 Solid Fixture Expired - Lifetime JP2883885B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32306890A JP2883885B2 (en) 1990-11-28 1990-11-28 Solid Fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32306890A JP2883885B2 (en) 1990-11-28 1990-11-28 Solid Fixture

Publications (2)

Publication Number Publication Date
JPH04193599A true JPH04193599A (en) 1992-07-13
JP2883885B2 JP2883885B2 (en) 1999-04-19

Family

ID=18150732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32306890A Expired - Lifetime JP2883885B2 (en) 1990-11-28 1990-11-28 Solid Fixture

Country Status (1)

Country Link
JP (1) JP2883885B2 (en)

Also Published As

Publication number Publication date
JP2883885B2 (en) 1999-04-19

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