CN102621840B - Develop toner for non-contact photographic fixing of engineering drawing copier - Google Patents
Develop toner for non-contact photographic fixing of engineering drawing copier Download PDFInfo
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- CN102621840B CN102621840B CN201210085456.3A CN201210085456A CN102621840B CN 102621840 B CN102621840 B CN 102621840B CN 201210085456 A CN201210085456 A CN 201210085456A CN 102621840 B CN102621840 B CN 102621840B
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Abstract
The invention discloses a develop toner for non-contact photographic fixing of an engineering drawing copier, which consists of the following materials with respective components by weight: 25 to 50 components of bisphenol A polyester resin, 25 to 50 components of bisphenol A epoxy resin, 10 to 20 components of magnetic powder, 1 to 5 components of carbon black, 0.5 to 1 components of charge control agent and 0.5 to 1 components of fumed silica, wherein the materials sequentially undergo premixing, extrusion mixing, cooling, crushing, fluid energy milling classification, fine powder classification and externally adding and mixing, and finally are sieved, packaged and prepared into a color toner product. The develop toner overcomes the defect of the photographic fixing of the conventional develop toner, improves the firmness of the photographic fixing, satisfies the low temperature pressure-free photographic fixing, and increases the firmness to more than 95%.
Description
Technical field
The present invention relates to a kind of engineering drawing duplicating machine non-contact fusing development hue agent, belong to developer technical field.
Background technology
The usual breadth of the paper that engineering drawing file uses is larger, be generally A0 breadth, for large-scale paper, the speed of duplicating machine design is also more and more faster, original engineering drawing duplicating machine adopts hot pressing fusing system, need high temperature fixing, and existing engineering drawing duplicating machine adopts contactless flash fusing mode, this fixing mode makes printer several display high-strength light (as 1500 ~ 2500 times) per second, make developer be fused on printer paper, can control in duplicating per minute or print about 500.
The fixing development hue agent quality that traditional hot pressing fusing system adopts is comparatively hard, and the pressure needing to bear under uniform temperature duplicates.And contactless flash fusing mode needs developer to meet moment low temperature stress-free fixing conditions, if it is fixing insecure to use traditional fixer seriously to occur, the content of file cannot use after duplicating and the problem such as preservation.Reason is traditional fixer take aromatic copolymer as primary raw material, and product quality softening degree is inadequate, needs uniform temperature.Needing to reduce softening point to improve the problems referred to above, simultaneously in order to meet cryogenic conditions, needing to improve product tape electrical, and above-mentioned requirements can not be met by improving pulp furnish, needing to re-start raw material and select.For the toner being applicable to very much non-contact fusing system, meet large paper size, the toner of high speed copy, existing patent and the rarely seen report of scientific and technical literature simultaneously.
Summary of the invention
The invention provides a kind of engineering drawing duplicating machine non-contact fusing development hue agent, overcome the fixing deficiency of conventional developer, improve fixing firmness, meet low temperature fixing without pressure, fixing level reaches more than 95% simultaneously.
The present invention is realized by following technical scheme:
A kind of engineering drawing duplicating machine non-contact fusing development hue agent is be made up of the raw material of following parts by weight: 25 ~ 50 parts, bisphenol-A vibrin, bisphenol A epoxide resin 25 ~ 50 parts, magnetic powder 10 ~ 20 parts, carbon black 1 ~ 5 part, charge control agent 0.5 ~ 1 part, aerosil 0.5 ~ 1 part.
The potpourri of vibrin and epoxy resin reduces softening point, and the present invention also added charge control agent, reduces the electric charge that high speed copy produces, thus reduces temperature, adapts to low-temperature fixing.
Preparation method of the present invention is as follows:
Premixed: above-mentioned 25 ~ 50 parts, the bisphenol-A vibrin measured, bisphenol A epoxide resin 25 ~ 50 parts, magnetic powder 10 ~ 20 parts, carbon black 1 ~ 5 part, charge control agent 0.5 ~ 1 part are dropped into together high-speed mixer and mix, first mixed on low speed 30 seconds, then turn 90 seconds at a high speed, pause 60 seconds; Repeat above step twice again, intermediate hold one 60 seconds;
Extrude mixing: the material above-mentioned premixed completed is extruded mixing by parallel dual-screw extruding machine, extrusion temperature is set as 80 ~ 120 DEG C;
Cooling: above-mentioned extruded material is cooled by the calendering of pair roller water cooling steel band and is broken for sheet material;
Coarse crushing: above-mentioned sheet material is put into Roughpulverizer and pulverizes, crushing rear material size controlling is at 0.8 ~ 1.2mm;
Jet mill grinding: the material that above-mentioned coarse crushing is good is inserted jet mill grinding machine and pulverizes, the oarse-grained content of major control;
Micro-powder graded: the material after above-mentioned pulverizing is carried out classification, remove underproof granule part, make raw meal particle size control at 7.5 ~ 8.5 μm, volume median D50 μm;
Add mixing outward: drop in high-speed mixer by aforementioned split pole material together with the additive aerosil that mark measures by weight, first mixed on low speed 30 seconds, then turn 60 seconds at a high speed, pause 60 seconds; Repeat above step twice again, intermediate hold one 60 seconds;
Sieve: use sieve shaker (screen cloth 120 ~ 140 order) to sieve the above-mentioned material mixed;
Packaging: the material above-mentioned mistake be sieved is by appointment specification packaging.
Described aerosil is U.S. Cabot TG-530.
Beneficial effect of the present invention is:
1, adopt vibrin and epoxy resin to be primary raw material, reduce the softening point of toner, meet the needs of image developing charging property simultaneously;
2, autotype image is durable, and keeping quality is high, and fixing level is more than 95%.
Embodiment
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
Composition:
25 parts, vibrin (glass temperature 56 DEG C, softening point 104 ~ 110 DEG C, Mw:12000 ~ 35000, Mn:4500 ~ 7200);
Bisphenol A epoxide resin 45 parts (glass temperature 45 DEG C, softening point 70 ~ 80 DEG C, Mw:3000 ~ 7000, Mn:1500 ~ 2500);
Magnetic powder 12 parts (German LANXESS E8706);
Carbon black 1.5 parts (Mitsubishi changes into system: MA-100);
Charge control agent 0.5 part (Hubei China ancient cooking vessel dragon chemistry system: N33);
Aerosil 1 part (U.S. Cabot TG-530).
Embodiment 2
Composition:
50 parts, vibrin (glass temperature 56 DEG C, softening point 104 ~ 110 DEG C, Mw:12000 ~ 35000, Mn:4500 ~ 7200);
Bisphenol A epoxide resin 28 parts (glass temperature 45 DEG C, softening point 70 ~ 80 DEG C, Mw:3000 ~ 7000, Mn:1500 ~ 2500);
Magnetic powder 20 parts (German LANXESS E8706);
Carbon black 5 parts (Mitsubishi changes into system: MA-100);
Charge control agent 1 part (Hubei China ancient cooking vessel dragon chemistry system: N33);
Aerosil 0.8 part (U.S. Cabot TG-530).
Embodiment 3
Composition:
44 parts, vibrin (glass temperature 56 DEG C, softening point 104 ~ 110 DEG C, Mw:12000 ~ 35000, Mn:4500 ~ 7200);
Bisphenol A epoxide resin 40 parts (glass temperature 45 DEG C, softening point 70 ~ 80 DEG C, Mw:3000 ~ 7000, Mn:1500 ~ 2500);
Magnetic powder 15 parts (German LANXESS E8706);
Carbon black 3 parts (Mitsubishi changes into system: MA-100);
Charge control agent 1 part (Hubei China ancient cooking vessel dragon chemistry system: N33);
Aerosil 0.6 part (U.S. Cabot TG-530).
Preparation: the composition of above-described embodiment 1 ~ 3 is prepared.
Premixed: 25 ~ 50 parts, the material bisphenol-A vibrin measured above-mentioned, bisphenol A epoxide resin 25 ~ 50 parts, magnetic powder 10 ~ 20 parts, carbon black 1 ~ 5 part, charge control agent 0.5 ~ 1 part of input high-speed mixer mix, first mixed on low speed 30 seconds, then turn 90 seconds at a high speed, pause 60 seconds; Repeat above step 2 time again, intermediate hold one 60 seconds;
Extrude mixing: the material got togather by above-mentioned premix is extruded mixing by parallel dual-screw extruding machine, extrusion temperature setup control is 80 ~ 120 DEG C;
Cooling: above-mentioned extruded material is cooled by the calendering of pair roller water cooling steel band and is broken for sheet material;
Coarse crushing: above-mentioned sheet material is put into Roughpulverizer and pulverizes, crushing rear material size controlling is at 0.8 ~ 1.2mm;
Jet mill grinding: the material that above-mentioned coarse crushing is good is inserted jet mill grinding machine and pulverizes, the oarse-grained content of major control;
Micro-powder graded: the material after above-mentioned pulverizing is carried out classification, remove underproof granule part, make raw meal particle size control in .5 ~ 8.5 μm, volume median D50 μm;
Outer interpolation mixing: aforementioned split pole material is dropped in high-speed mixer with the additive aerosil measured together with titania, first mixed on low speed 30 seconds, then turns 60 seconds at a high speed, pauses 60 seconds, repeat above step twice again, intermediate hold one 60 seconds;
Sieve: use sieve shaker (screen cloth 120 ~ 140 order) to sieve the above-mentioned material mixed;
Packaging: the material above-mentioned mistake be sieved is by appointment specification packaging.
Test: above embodiment goods use Dutch Oce engineering drawing duplicating machine TDS-400 to carry out test 1 km, image density keeps more than 1.40, fixing level more than 95%.
Claims (1)
1. a preparation method for engineering drawing duplicating machine non-contact fusing development hue agent, is characterized in that this developer is made up of the raw material of following parts by weight: 25 ~ 50 parts, bisphenol-A vibrin, bisphenol-A epoxy resin 25 ~ 50 parts, magnetic powder 10 ~ 20 parts, carbon black 1 ~ 5 part, charge control agent 0.5 ~ 1 part, aerosil 0.5 ~ 1 part; This developer is realized by following step:
Premixed: the bisphenol-A vibrin measured above-mentioned, bisphenol-A epoxy resin, magnetic powder, carbon black, charge control agent drop into high-speed mixer together and mix, first mixed on low speed 30 seconds, then turns 90 seconds at a high speed, pauses 60 seconds; Repeat above step twice again, intermediate hold one 60 seconds;
Extrude mixing: the material above-mentioned premixed completed is extruded mixing by parallel dual-screw extruding machine, extrusion temperature is set as 80 ~ 120 DEG C;
Cooling: above-mentioned extruded material is cooled by the calendering of pair roller water cooling steel band and is broken for sheet material;
Coarse crushing: above-mentioned sheet material is put into Roughpulverizer and pulverizes, crushing rear material size controlling is at 0.8 ~ 1.2mm;
Jet mill grinding: the material that above-mentioned coarse crushing is good is inserted jet mill grinding machine and pulverizes, the oarse-grained content of major control;
Micro-powder graded: the material after above-mentioned pulverizing is carried out classification, remove underproof granule part, make raw meal particle size control at 7.5 ~ 8.5 μm, volume median D50 μm;
Add mixing outward: drop in high-speed mixer by aforementioned point of stage material together with the additive aerosil that mark measures by weight, first mixed on low speed 30 seconds, then turn 60 seconds at a high speed, pause 60 seconds; Repeat above step twice again, intermediate hold one 60 seconds;
Sieve: use sieve shaker to sieve the above-mentioned material mixed, the screen cloth of sieve shaker is 120 ~ 140 orders;
Packaging: the material above-mentioned mistake be sieved is by appointment specification packaging;
Wherein, described aerosil is U.S. Cabot TG-530.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085456.3A CN102621840B (en) | 2012-03-28 | 2012-03-28 | Develop toner for non-contact photographic fixing of engineering drawing copier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210085456.3A CN102621840B (en) | 2012-03-28 | 2012-03-28 | Develop toner for non-contact photographic fixing of engineering drawing copier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102621840A CN102621840A (en) | 2012-08-01 |
| CN102621840B true CN102621840B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210085456.3A Active CN102621840B (en) | 2012-03-28 | 2012-03-28 | Develop toner for non-contact photographic fixing of engineering drawing copier |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104656385B (en) * | 2015-02-28 | 2018-10-12 | 珠海思美亚碳粉有限公司 | Blue magnetism engineering machine developer and its manufacturing method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1007662B (en) * | 1986-03-13 | 1990-04-18 | 三井东压化学株式会社 | Toner composition for electrofax |
| US5432035A (en) * | 1992-12-18 | 1995-07-11 | Fujitsu Limited | Flash fixing color toner and process for producing the same |
| DE69510740T2 (en) * | 1994-08-31 | 1999-12-02 | Mita Industrial Co., Ltd. | Toner for two-component developers |
| JP2000131868A (en) * | 1998-10-29 | 2000-05-12 | Dainippon Printing Co Ltd | Image accepting sheet and recording method |
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