A nearby parking lot is readily available for erasable s. Erasable ink for 3d printing laserwritten threedimensional microstructures can be erased and rewritten, if desired very important paper publication in angewandte chemie. A disposable version called erasermate 2 was subsequently introduced, with an appearance similar to the non erasable write bros. The inks were formulated from carbon black and copper. So as much as i love my pens, i sometimes need to use a pencil. Top 5 best dry erase wall paint 2020 update vault50. For example, the ink cannot be seen even after the heat from friction is removed.
Department of chemistry and biochemistry, bradley university, peoria, illinois 61625. This spa is more than happy to take care of you after scheduling an appointment. Karlsruhe, germany, may 12, 2017 direct 3d laser printing or laser writing uses a computercontrolled focused laser beam to generate the structures. There is a specific eraser felt tip pen wit the eraser liquid to do the job. Use any major credit card and work on reeling in those rewards.
We have developed water and air erasable ink as well as eraser solution which has wide application in garmentapparel industryarts. White board marker inks are made of dry erasable ink, which is easy to clean. A positive consequence of this pressure is that writing is possible through a wider range of paper to pen angle than with nonerasable ballpoint pens. The top countries of suppliers are japan, china, and taiwan, china, from which the percentage of erasable ink. Our sales continue to grow year after year because of the quality of our products, and the innovation of our research and development teams. Pdf black and blue erasable marker inks were further developed in this work with. Us6031023a us08984,590 us98459097a us6031023a us 6031023 a us6031023 a us 6031023a us 98459097 a us98459097 a us 98459097a us 6031023 a us6031023 a us 6031023a authority us united states prior art keywords white board step composition dry erase ink composition prior art date 19971203 legal status the legal status is an assumption and is not a legal conclusion. Microrheology is an emerging technique that is useful for probing viscoelasticity under conditions that give valuable insight. Formulation of white board marker ink using locally sourced raw. Changes in ink chemistry over the years closely reflect developments in the instruments for ink coating. It is darkcolored at lower temperatures, but it becomes clearcolored like water if heated which is why it can be erased. The inventor conceives the invention then has to prove that it is truly a new invention, had to create a prototype and then market it. About 22% of these are gel pens, 6% are ballpoint pens, and 40% are marker pens. This erasable gel pen writes with nice ink lines, yet is erasable with any pencil eraser.
Most royal blue inks, like pelikan royal blue, are erasable, as they are intended for the school market. Even the best erasable ink formulas may leave some shadow behind. Xrite inkformulation software addresses these issues for ink manufacturers, printers and packaging converters alike. Both types of inks were applied separately on different types of papers checks, standard white foolscap, and plain white a4 paper. The invention of the printing press, for instance, called for thick oilbased formulations to cling to the metal type face, in place of the high viscosity waterbased inks that were prevalent at the time. This invention relates to an erasable ink composition for writing on an impervious writing surface, and more particularly, to an erasable ink composition which contains a separating agent therein to provide writing on an impervious writing surface such as a socalled white board which is readily erasable by wiping lightly with an eraser made of, for example, felt. In the last case is better to add a small quantity 12% of ethylcellulose to avoid a likely yellowing of the product due to the high quantity of nitrocellulose. You have to use a different kind of ink or ballpoint etc. Erasable ink composition for writing on impervious surface. If you order for your company, a commercial account may be the right choice for you. There are guidelines on the origin and approved processing procedures of the ingredients.
You can print on a page up to 5 times before the paper is too coated with spent ink to be reusable. Tends to leave a blank trail while writing in the centre of the impression. Structures written with erasable ink can be integrated into structures made of nonerasable ink. Structures written with erasable ink can be integrated into structures made of non erasable ink. Support constructions can be produced by 3d printing, which are similar to those used when. I would like to know the formulation for dry erase white board maker ink.
Mar 09, 2012 toshiba announces new printer that uses erasable toner. The zebra erase away erasable ballpoint pen has a nice simple, all black design, with a soft and fairly effective white eraser. A wide variety of erasable ink pen options are available to you, such as gel pens ink type, gel pens ink feature, and use. I tried using ipa, ethanol, pigment, pva and texapon. Kit researchers develop erasable ink for photopolymer 3d. Chemistry stack exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. Located in the centre region of france, the leading french region for the production of wind energy, it benefits from a dynamic environmental network. From left to right, we have a blue ink tw200, a black ink tw400, and a black ink tw200. Do it yourself, make sure and show proof that the inventio. The electrical conductance of the final conductive trace was close to that of bulk silver, and iv. This invention relates to an erasable ink composition for writing on an impervious writing surface, and more particularly, to an erasable ink composition which contains a separating agent therein to provide writing on an impervious writing surface such as a socalled white board which is readily erasable by wiping lightly with an eraser made.
Erasable inks inky thoughts the fountain pen network. Western michigan university, 20 in the 21st century, it has been shown that printing methodologies can be used to print electrically functional devices on a variety of substrates. Writing with erasable ink i prefer your blank over seeing my words go unread. The best blue ink formulation, formulation 4, was made up of 10%. Why is it that if you write on paper with erasable ink, erase. Better ink water stability, enabling high speed printing up to 18000 sheetshour and reduced waste. Erasable ink production for white board marker using locally. The varnishes and diluents used in the formulation of these inks are exclusively vegetable based and renewable. It was found that the best black ink formulation, formulation 11, was made up of 12. Support constructions can be produced by 3d printing, which are similar to those used when building bridges and removed later on. The ballpoint pen, the felttip marker, and the fibretip pen have led to inks containing solutions of dyes in water or organic solvents such as propylene glycol, propyl alcohol, toluene or glycoethers.
May 3, 2017 by clare scott 3d printing 3d printing materials. Jan 16, 2007 there is a specific eraser felt tip pen wit the eraser liquid to do the job. Principal polymers in water based inks, two types of acrylic polymers are used. Are there any erasable inks for fountain pens and if so, are they any good. For vanishing ink, it was observed visually in the first 6. Erasable ink at least, the kind used in erasableink ballpoints, such as the pentel frixion is temperaturesensitive. Formulation and evaluation of resistive inks for applications in printed electronics sughosh satish bhore, m. Why is it that if you write on paper with erasable ink. Pdf black and blue erasable marker inks were further developed in. Frixion ball pens have a unique thermosensitive gel ink formula that disappears with erasing friction. Jetpens is accepting and shipping us orders, but due to covid19, free shipping is not available. These inks provide numerous advantages for the printer. This booklet is intended to acquaint you with aqueous coatings.
Formulation and processing of conductive inks for inkjet printing of electrical components by junfeng mei b. The erasable ink is an entirely different formulation from inks found in other ball point pens. The erasable ink version features a range of brilliant ink colours that are all erasable using a standard ink. Hp uses dyes for colour vibrancy because they dissolve completely in water unlike pigments.
The exact formulation of inks is a well kept secret but what we can tell you is this. It doesnt completely erase every trace of ink, but if im just writing over the same space, i cant tell where i made the mistake unless i really look. Support constructions can be produced by 3d printing, which are similar to those used when building bridges. Then to erase that ink, already printed on paper is. This dry erase paint comes in wellpackaged size kits that are designed to paint an area covering 50sq. The process produces micrometersized objects with defined properties. Formulation of dry erasemarker ink optimized formulations. However, the fillers, pigments and drying agents are mineral based. With the know how and expertise of its specialist teams, the brancher company has long been committed to the preservation of the environment. This invention provides an erasable ink composition comprising a colorant, a film forming resin and a release agent. There are other pens available with erasable ink and better writing experiences and with a much darker ink.
Us6458192b1 us09476,328 us47632800a us6458192b1 us 6458192 b1 us6458192 b1 us 6458192b1 us 47632800 a us47632800 a us 47632800a us 6458192 b1 us6458192 b1 us 6458192b1 authority us united states prior art keywords ink composition used weight ink colorant prior art date 19990108 legal status the legal status is an assumption and is not a legal conclusion. The selection of ingredients is an important element in the formulation of a cosmetic formulation according to the cosmos standard. Delivery to some international countries is limited or suspended. Solvent based fluid printing inks use volatile solvents in the formulation, which are hazardous to the environment from emission of volatile organic components voc. Our spirit of innovation has always focused on serving consumers writing needs and making writing a. Erasable ink is another type of ink easily removed by certain rubbers incorporated in each pen. The eco printer seems to be based on an invention i came up with around 15 years ago, although as i never told anyone or did anything about it. The grip section on the pen is a nice comfortable rubber material with some dimples in it to add a bit of extra traction for those slippery finger tips.
Products that confer specific properties to the ink such as rheology, adhesion, rub and scratch resistance, antifoaming effect, etc. Demonstration of thermodynamics and kinetics using frixion. Kit researchers develop erasable ink for 3d printing. Frixion erasable pens contain thermochromic inks that have. Formulation and processing of conductive inks for inkjet printing of electrical components junfeng mei, phd university of pittsburgh, 2004. The eco printer seems to be based on an invention i came up with around 15 years ago, although as i never told anyone or did anything about it and my invention used. The original erasermate pen was a refillable ballpoint pen fitted with a replaceable eraser. I know that the friction is what causes the ink to disappear, but what exactly is happening on a more detailed level.
Toshiba announces new printer that uses erasable toner. Ink, erasable, viscosity, refill, whiteboard, toxic,raw materials, marker, waterbase. Hunter associates laboratory, instructions for model. Better transfer, giving more intense, glossier colours and reduced ink consumption. Researchers have now developed a method to erase the ink used for 3d printing. It is also possible to further develop 3d designer petri dishes for use in biology. Oct 01, 2014 erasable toner technology and erasable paper posted by.
Pilot corporation of america prides itself on being a leading manufacturer and marketer of quality writing instruments in the united states. Clint deboer in industry news october 1, 2014 1 comment 1,785 views unveiled back in 2012, the toshiba estudio 306lprd30 was the worlds first mfp with erasable toner. However, extreme temperatures such as a fridge can make the ink visible again. It changes the blue ink colour to transparent permamently. Rewritableerase and rewrite repeatedly without damaging documents no wear or tear. Too often, this aspect of quality control is overlooked, andor ink formulation processes are complex and timeconsuming, requiring special colorist talent and a lot of luck. Ink jet 11 laser printing 11 ink over coating 11 press settings 12 drying with infrared ir 12. Ink is carefully formatted since it interacts with every part of the printing system cartridge, printer and paper. The different ink samples were formulated in terms of odour, colour, hazardous reaction, ph. May 02, 2017 structures written with erasable ink can be integrated into structures made of non erasable ink. Development of erasable whiteboard marker inks researchgate. Inkformulation software is part of an endtoend color workflow that gives ink suppliers, printers and packaging converters flexibility and control over recipes and assortments, improves basic material handling, simplifies definition of the right ink film thickness and helps reduce hazardous waste. May 22, 2018 one thought on erasable ink threepageloveletter says.
Uniball eye rollerball pen ub157 the classic pigment ink uniball roller in medium point and big colour range black blue darkred green lightblue lightgreen orange pink purple red only. Frixion says, the ink will reappear at temperatures under 10c here. Support constructions can be produced by 3d printing, which are similar to those used when building bridges and. The examined inks in forensic chemistry suffer some problems due to. Pls i have been trying to formulate erasable marker ink but have not gotten it right.
Characteristics of erasable ball point pens summary. These items are placed inside a tall blue rectangular box package. Previous studies have shown that the type and amount of different components used in the formulation of printing inks, such as the polymer binders, have effects on the properties of the ink. Comparative analysis of local raw materials for the production of a. Different types of inks having certain medicolegal. These erasable pens are cleaner, bolder, and erase more easily and completely than you would think possible. Erasable marker ink formulation optimized formulations.
Pilot frixion clicker retractable gel ink pens, eraseable. The ink with defined breaking points can be used for a variety of applications, doctoral student and first author markus zieger says. The erasable ink took over a decade to develop and needs to be pressurized slightly for continuous flow during use. The ink is still technically there, its just that you cant see it. Our spirit of innovation has always focused on serving consumers writing needs and making writing a pleasure. Relax and destress your mind and body with a spa day at tampas erasable.
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