CN103614950B - A kind of electronic component packaging paper using and preparation method thereof - Google Patents
A kind of electronic component packaging paper using and preparation method thereof Download PDFInfo
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- CN103614950B CN103614950B CN201310612943.5A CN201310612943A CN103614950B CN 103614950 B CN103614950 B CN 103614950B CN 201310612943 A CN201310612943 A CN 201310612943A CN 103614950 B CN103614950 B CN 103614950B
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Abstract
A kind of electronic component packaging paper using is quantitatively 50 ~ 60g/m
2, thickness is 0.21 ~ 0.28mm, and tensile strength is 2.15 ~ 2.50kN/m, and bursting strength is 90.4 ~ 107.3kPa, and tearability is 190 ~ 215mN, and resistance is 1.5 × 10
11~ 3.7 × 10
11Ω/cm; insulation effect is good; its preparation be by softwood pulp and cotton pulp with the use of, add PAE, AKD and cationic starch is chemical assistant, become after paper at its surface spraying insulating lacquer layer through wet papermaking process; then the good electronic component packaging paper using of insulation effect is prepared into by hot-pressing processing; electronic component packaging paper using preparation technology of the present invention is simple, and sheet softness is good, is easy to packaging; insulation effect is good, and can adequately protect electronic component.
Description
Technical field
The invention belongs to pulp technology for making paper, particularly a kind of electronic component packaging paper using and preparation method thereof.
Background technology
Along with the fast development of electronics industry, electronic circuit board integrated level is more and more higher, and on motherboard, the high density of electronic devices and components, the extensive employing that is compact, even surface-adhered type element of wiring, all easily cause electrostatic damage circuit board.Studies have found that the integrated circuit broken down has 1/3rd to be punctured by static discharge.Electronics industry is badly in need of the packaging material with anti-static function.
Early stage antistatic packaging material adopts completion method, namely graphite or metal fibre is mixed in plastics, forms the wire netting of conduction in plastics inner.The metal web that this ambroin is formed can provide goodish shielding when low frequency (< 100MHz), and when frequency higher (100 ~ 1000MHz), due to the inductive effect of the telegram in reply circulation flow path that fiber web is formed, its shield effectiveness reduces gradually.Therefore, at material outer coating and inner interpolation antistatic additive, the packaging material being reached electrostatic dissipation and shielding object by chemical technology are more and more come into one's own.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of electronic component packaging paper using and preparation method thereof, paper-based substrate is prepared after adding PAE, AKD and cationic starch after utilizing bleached sulphate softwood pulp and cotton pulp mixing, spray on paper substrate after polyurethane insulating varnish through hot-pressing processing, the electronic component packaging paper tensile strength of preparation is large, bursting strength, tearability are all higher, and insulation effect is good.
To achieve these goals, the technical solution used in the present invention is:
A kind of electronic component packaging paper using is quantitatively 50 ~ 60g/m
2, thickness is 0.21 ~ 0.28mm, and tensile strength is 2.15 ~ 2.50kN/m, and bursting strength is 90.4 ~ 107.3kPa, and tearability is 190 ~ 215mN, and resistance is 1.5 × 10
11~ 3.7 × 10
11Ω/cm.
Invention also provides the preparation method of described electronic component packaging paper using, by softwood pulp and cotton pulp mixing, adding polyamideepichlorohydrin (PAE), alkyl ketene dimer (AKD) and cationic starch is chemical assistant, become at its surface spraying insulating lacquer layer after paper through wet papermaking process, then by obtained after hot-pressing processing.
Described softwood pulp is bleached sulphate softwood pulp, and pull an oar 30 ~ 40 ° of SR; Cotton pulp is commodity cotton pulp, and pull an oar 50 ~ 60 ° of SR.
After described softwood pulp and cotton pulp mix, the percentage by weight of softwood pulp is 80% ~ 90%, the percentage by weight 10% ~ 20% of cotton pulp.
The addition of described PAE, AKD and cationic starch is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight.
The insulated paint of described surface spraying is polyurethane insulating varnish, and spray flux accounts for into 5% ~ 10% of paper gross weight.
The condition of described hot-pressing processing is hot pressing temperature 105 DEG C, hot pressing time 20 ~ 30min.
Needlebush of the present invention can adopt as masson pine, larch, Korean pine, dragon spruce etc.
The preparation process of described PAE is: by adipic acid, triethylene tetramine and p-methyl benzenesulfonic acid be in molar ratio 1: 1.5: 1.02 ratio mix, control temperature is 150 ~ 175 DEG C, successive reaction synthesizing polyamides performed polymer, distilled water is added in the polyamide prepolymer aggressiveness of synthesis, methacrylic acid is added after being cooled to 40 DEG C, its addition is 10% of adipic acid, epoxychloropropane is dripped under constant voltage after stirring, dripping quantity is 1.5 times of adipic acid, heating and thermal insulation, when viscosity reaches 100 ~ 150mPas, between adjust ph to 3 ~ 5, cessation reaction obtains.
Compared with prior art, the invention has the beneficial effects as follows:
(1) obtained electronic component packaging paper paper substrate adopts wet papermaking process preparation, and technical maturity is convenient.
(2) both combine closely after hot pressing paper substrate to spray polyurethane insulating varnish, and insulation effect persistence is better.In preparation process, cotton fiber accounts for major part, and obtained electronic component packaging paper is soft, easy to use.
Detailed description of the invention
Embodiments of the present invention are described in detail below in conjunction with embodiment.
Embodiment 1:
By bleached sulphate softwood pulp beating degree to 30 ° of SR, commodity cotton pulp beating degree is to 50 ° of SR, and both mixed, bleached sulphate softwood pulp accounts for mixture total weight amount 80%, and commodity cotton pulp accounts for mixture total weight amount 20%; Add PAE, AKD and cationic starch, adding proportion is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight; Become paper rear surface to spray polyurethane insulating varnish through wet papermaking process, spray flux accounts for into 5% of paper gross weight; Then through hot-pressing processing, hot pressing temperature 105 DEG C, hot pressing time 20min, gets product.
Gained finished product is quantitative 50 ~ 54g/m after measured
2, thickness 0.21 ~ 0.24mm, tensile strength 2.15 ~ 2.21kN/m, bursting strength 90.4 ~ 103.3kPa, tearability 197 ~ 210mN, resistance 1.5 × 10
11Ω/cm.
Embodiment 2:
By bleached sulphate softwood pulp beating degree to 40 ° of SR, commodity cotton pulp beating degree is to 60 ° of SR, and both mixed, bleached sulphate softwood pulp accounts for mixture total weight amount 90%, and commodity cotton pulp accounts for mixture total weight amount 10%; Add PAE, AKD and cationic starch, adding proportion is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight; Become paper rear surface to spray polyurethane insulating varnish through wet papermaking process, spray flux accounts for into 5% of paper gross weight; Then through hot-pressing processing, hot pressing temperature 105 DEG C, hot pressing time 30min, gets product.
Gained finished product is quantitative 53 ~ 56g/m after measured
2, thickness 0.21 ~ 0.25mm, tensile strength 2.19 ~ 2.37kN/m, bursting strength 95.4 ~ 101.3kPa, tearability 190 ~ 206mN, resistance 1.8 × 10
11Ω/cm.
Embodiment 3:
By bleached sulphate softwood pulp beating degree to 35 ° of SR, commodity cotton pulp beating degree is to 55 ° of SR, and both mixed, bleached sulphate softwood pulp accounts for mixture total weight amount 80%, and commodity cotton pulp accounts for mixture total weight amount 20%; Add PAE, AKD and cationic starch, adding proportion is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight; Become paper rear surface to spray polyurethane insulating varnish through wet papermaking process, spray flux accounts for into 10% of paper gross weight; Then through hot-pressing processing, hot pressing temperature 105 DEG C, hot pressing time 25min, gets product.
Gained finished product is quantitative 55 ~ 60g/m after measured
2, thickness 0.25 ~ 0.28mm, tensile strength 2.19 ~ 2.44kN/m, bursting strength 95.4 ~ 106.3kPa, tearability 197 ~ 215mN, resistance 3.6 × 10
11Ω/cm.
Embodiment 4:
By bleached sulphate softwood pulp beating degree to 30 ° of SR, commodity cotton pulp beating degree is to 60 ° of SR, and both mixed, bleached sulphate softwood pulp accounts for mixture total weight amount 80%, and commodity cotton pulp accounts for mixture total weight amount 20%; Add PAE, AKD and cationic starch, adding proportion is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight; Become paper rear surface to spray polyurethane insulating varnish through wet papermaking process, spray flux accounts for into 10% of paper gross weight; Then through hot-pressing processing, hot pressing temperature 105 DEG C, hot pressing time 20min, gets product.
Gained finished product is quantitative 55 ~ 60g/m after measured
2, thickness 0.25 ~ 0.28mm, tensile strength 2.19 ~ 2.44kN/m, bursting strength 95.4 ~ 106.3kPa, tearability 197 ~ 215mN, resistance 3.6 × 10
11Ω/cm.
Wherein in the present embodiment, the preparation process of described PAE is: by adipic acid, triethylene tetramine and p-methyl benzenesulfonic acid be in molar ratio 1: 1.5: 1.02 ratio mix, control temperature is 175 DEG C, successive reaction synthesizing polyamides performed polymer, distilled water is added in the polyamide prepolymer aggressiveness of synthesis, methacrylic acid is added after being cooled to 40 DEG C, its addition is 10% of adipic acid, epoxychloropropane is dripped under constant voltage after stirring, dripping quantity is 1.5 times of adipic acid, heating and thermal insulation, when viscosity reaches 150mPas, adjust ph to 5 cessation reaction obtains.
Claims (5)
1. a preparation method for electronic component packaging paper using, this electronic component packaging paper using is quantitatively 50 ~ 60g/m
2, thickness is 0.21 ~ 0.28mm, and tensile strength is 2.15 ~ 2.50kN/m, and bursting strength is 90.4 ~ 107.3kPa, and tearability is 190 ~ 215mN, and resistance is 1.5 × 10
11~ 3.7 × 10
11Ω/cm;
It is characterized in that, by softwood pulp and cotton pulp mixing, interpolation PAE, AKD and cationic starch are chemical assistant, become after paper at its surface spraying insulating lacquer layer through wet papermaking process, then by obtained after hot-pressing processing, described softwood pulp is bleached sulphate softwood pulp, and pull an oar 30 ~ 40 ° of SR; Cotton pulp is commodity cotton pulp, and pull an oar 50 ~ 60 ° of SR, and after described softwood pulp and cotton pulp mix, the percentage by weight of softwood pulp is 80% ~ 90%, the percentage by weight 10% ~ 20% of cotton pulp.
2. preparation method according to claim 1, it is characterized in that, the addition of described PAE, AKD and cationic starch is respectively 0.2%, 0.2% and 1% of mixed slurry gross weight.
3. preparation method according to claim 1, it is characterized in that, the insulated paint of described surface spraying is polyurethane insulating varnish, and spray flux accounts for into 5% ~ 10% of paper gross weight.
4. preparation method according to claim 1, it is characterized in that, the hot pressing condition of employing is hot pressing temperature 105 DEG C, hot pressing time 20 ~ 30min.
5. preparation method according to claim 1, it is characterized in that, the preparation process of described PAE is: by adipic acid, triethylene tetramine and p-methyl benzenesulfonic acid be in molar ratio 1: 1.5: 1.02 ratio mix, control temperature is 150 ~ 175 DEG C, successive reaction synthesizing polyamides performed polymer, distilled water is added in the polyamide prepolymer aggressiveness of synthesis, methacrylic acid is added after being cooled to 40 DEG C, its addition is 10% of adipic acid, epoxychloropropane is dripped under constant voltage after stirring, dripping quantity is 1.5 times of adipic acid, heating and thermal insulation, when viscosity reaches 100 ~ 150mPas, between adjust ph to 3 ~ 5, cessation reaction obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310612943.5A CN103614950B (en) | 2013-11-26 | 2013-11-26 | A kind of electronic component packaging paper using and preparation method thereof |
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| CN201310612943.5A CN103614950B (en) | 2013-11-26 | 2013-11-26 | A kind of electronic component packaging paper using and preparation method thereof |
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| CN103614950A CN103614950A (en) | 2014-03-05 |
| CN103614950B true CN103614950B (en) | 2016-01-13 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105648825B (en) * | 2016-01-07 | 2017-07-14 | 仙鹤股份有限公司 | A kind of electronic component conveying cotton paper and its production technology |
| CN106835811A (en) * | 2017-03-06 | 2017-06-13 | 陕西科技大学 | A kind of polyamine epichlorohydrin resin self-crosslinking polyester fiber paper and preparation method thereof |
| CN111663353B (en) * | 2020-05-15 | 2022-04-22 | 仙鹤股份有限公司 | High-flexibility cotton paper and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482631A1 (en) * | 1990-10-26 | 1992-04-29 | Mitsubishi Paper Mills, Ltd. | Process for producing alkaline paper |
| JPH04180059A (en) * | 1990-11-15 | 1992-06-26 | Mitsubishi Paper Mills Ltd | Production of paper for photographic printing paper |
| WO1997035068A1 (en) * | 1996-03-21 | 1997-09-25 | Betzdearborn Inc. | Paper size and paper sizing process |
| JP4377423B2 (en) * | 2007-05-30 | 2009-12-02 | 大王製紙株式会社 | Production method of conductive / rust-proof paper |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040118538A1 (en) * | 2002-07-15 | 2004-06-24 | Ralph Cilevitz | Novel paper having low lint and/or anti-static |
-
2013
- 2013-11-26 CN CN201310612943.5A patent/CN103614950B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482631A1 (en) * | 1990-10-26 | 1992-04-29 | Mitsubishi Paper Mills, Ltd. | Process for producing alkaline paper |
| JPH04180059A (en) * | 1990-11-15 | 1992-06-26 | Mitsubishi Paper Mills Ltd | Production of paper for photographic printing paper |
| WO1997035068A1 (en) * | 1996-03-21 | 1997-09-25 | Betzdearborn Inc. | Paper size and paper sizing process |
| JP4377423B2 (en) * | 2007-05-30 | 2009-12-02 | 大王製紙株式会社 | Production method of conductive / rust-proof paper |
Non-Patent Citations (1)
| Title |
|---|
| "聚酰胺环氧氯丙烷的合成、改性及在造纸上得应用";吴芳;《中国学位论文全文数据库》;20101222;第19、30页 * |
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Address after: 324400 No. 37 Jinxing Road, Longyou Industrial Zone, Longyou County, Quzhou, Zhejiang Applicant after: ZHEJIANG JINCHANG SPECIALTY PAPER CO., LTD. Address before: 324400 No. 37 Jinxing Road, Longyou Industrial Zone, Longyou County, Quzhou, Zhejiang Applicant before: Zhejiang Jinchang Paper Industry Co., Ltd. |
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Effective date of registration: 20210305 Address after: No.5, Maosheng Road, industrial park, Longyou County, Quzhou City, Zhejiang Province 324400 Patentee after: ZHEJIANG JINZE PAPER TECHNOLOGY Co.,Ltd. Address before: No. 37, Jinxing Avenue, Longyou Industrial Zone, Longyou County, Quzhou City, Zhejiang Province 324400 Patentee before: ZHEJIANG JINCHANG SPECIALTY PAPER Co.,Ltd. |