JPS6310414A - Manufacture of electrically insulating laminate paper - Google Patents
Manufacture of electrically insulating laminate paperInfo
- Publication number
- JPS6310414A JPS6310414A JP15453486A JP15453486A JPS6310414A JP S6310414 A JPS6310414 A JP S6310414A JP 15453486 A JP15453486 A JP 15453486A JP 15453486 A JP15453486 A JP 15453486A JP S6310414 A JPS6310414 A JP S6310414A
- Authority
- JP
- Japan
- Prior art keywords
- paper
- polypropylene
- weight
- mixture
- crystalline polypropylene
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- -1 polypropylene Polymers 0.000 claims description 36
- 239000004743 Polypropylene Substances 0.000 claims description 31
- 229920001155 polypropylene Polymers 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 13
- 229920003043 Cellulose fiber Polymers 0.000 claims description 10
- 150000001451 organic peroxides Chemical class 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920005629 polypropylene homopolymer Polymers 0.000 description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- XYFRHHAYSXIKGH-UHFFFAOYSA-N 3-(5-methoxy-2-methoxycarbonyl-1h-indol-3-yl)prop-2-enoic acid Chemical compound C1=C(OC)C=C2C(C=CC(O)=O)=C(C(=O)OC)NC2=C1 XYFRHHAYSXIKGH-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006379 extruded polypropylene Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- HLOLETUOZGAKMT-UHFFFAOYSA-N trimethoxysilyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)OC(=O)C(C)=C HLOLETUOZGAKMT-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Insulating Bodies (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は電気絶縁用ラミネート紙の製造方法の改良に関
わり、特に超々高圧ケーブル用絶縁紙に好適なラミネー
ト紙に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an improvement in the manufacturing method of laminated paper for electrical insulation, and particularly to a laminated paper suitable for insulating paper for ultra-super high voltage cables.
近年、都市部及び工業地帯における電力需要の増大は著
しいものがあり、このため送電ケーブルとしてはますま
す超高電圧化が要求されている。In recent years, the demand for electric power in urban areas and industrial areas has increased significantly, and as a result, ultra-high voltage power transmission cables are increasingly required.
使用電圧の超高圧ｆヒに伴なって絶縁材料に要求される
特性は、高絶縁耐力、高い機械強度、長期安定性等であ
るが、超高電圧用ＯＦケーブル及び超高電圧用ＯＦコン
デンサー等の場合は、これに加えて更に低誘電損失化が
要求される。The characteristics required of insulating materials as the working voltage becomes ultra-high are high dielectric strength, high mechanical strength, long-term stability, etc. In addition to this, further reduction in dielectric loss is required.
この要求のために、ポリプロピレンを溶融押出したフィ
ルムの両面にセルローズ繊維紙を貼合せたラミネート絶
縁紙が開発された。To meet this demand, a laminated insulating paper was developed, which is made by laminating cellulose fiber paper on both sides of a polypropylene melt-extruded film.
ところが、ポリプロピレンを溶融押出したフィルムの両
面にセルローズ繊維紙を貼合せたラミネート紙の場合、
絶縁油全含浸し念時にポリプロピレンフィルム層とセル
ローズ繊維紙が剥離２生じるという問題点があった。However, in the case of laminated paper, which is made by laminating cellulose fiber paper on both sides of a film made of melt-extruded polypropylene,
There was a problem in that the polypropylene film layer and cellulose fiber paper peeled off when completely impregnated with insulating oil.
一方、絶縁油をき浸した時に、ポリプロピレンフィルム
層が膨潤し電カケープル導体に巻回し、ケーブルを曲げ
た時に座屈が生じやすい等の問題点があり、かかる問題
を回避するため、結晶性の高いポリプロピレンを使用す
る事が有効であるが、結晶性の高いポリプロピレンを使
用すると溶融押出時に押出フィルムが脈動を生じ均一な
厚さのラミネート紙が得られない等の問題点があった。On the other hand, when soaked with insulating oil, the polypropylene film layer swells and is wound around the cable conductor, causing problems such as buckling when the cable is bent. It is effective to use polypropylene with high crystallinity, but when polypropylene with high crystallinity is used, there are problems such as pulsation of the extruded film during melt extrusion, making it impossible to obtain laminated paper of uniform thickness.
本発明は上記の問題点を解決するためになされ念もので
結晶性ポリプロピレンと有機シラン化合物と有機過酸化
物とからなる混合物を溶融加熱処理して得たシラン変性
ポリプロピレン′３０〜７０重量％と結晶性ポリプロピ
レン７０〜３ｏｚｚｓを配合した混合物を溶融押出した
フィルムの両面にセルローズ繊維紙を貼合せることを特
徴とするものである。The present invention was made in order to solve the above problems, and is made by melting and heating a mixture of crystalline polypropylene, an organic silane compound, and an organic peroxide to obtain 30 to 70% by weight of silane-modified polypropylene. It is characterized by laminating cellulose fiber paper on both sides of a film obtained by melt-extruding a mixture containing 70 to 3 oz of crystalline polypropylene.
本発明における結晶性ポリプロピレンとは、プロピレン
の結晶性単独重合体およびプロピレンと共重合体中の含
有率が約１５重量％以下の他のα−オレフィン、たとえ
ばエチレンとの結晶性共重合体であって、それらのメル
トフローレイト（以下ＶＦＲと表わす）が約０．１〜３
０の範囲のもの全言う。The crystalline polypropylene in the present invention refers to a crystalline homopolymer of propylene and a crystalline copolymer of propylene with other α-olefins, such as ethylene, with a content of about 15% by weight or less in the copolymer. Therefore, their melt flow rate (hereinafter referred to as VFR) is about 0.1 to 3.
Everything in the 0 range.
シラン変性ポリプロピレンは、結晶性ポリプロピレンと
有機シラン化合物との混合物に有機過酸化物を混合して
溶融加熱処理することによって得ることができるが、最
も簡便な溶融加熱処理操作は、結晶性ポリプロピレンと
有機シラン化合物と有機過酸化物との混合物を、押出機
内で溶融加熱することである。この際、使用する結晶性
ポリプロピレンは、溶融加熱処理時に有機過酸化物によ
って分解して発色、発臭の原因となるような添加剤を含
まないことが望ましい。Silane-modified polypropylene can be obtained by melting and heat-treating a mixture of crystalline polypropylene and an organic silane compound with an organic peroxide. A mixture of a silane compound and an organic peroxide is melted and heated in an extruder. At this time, it is desirable that the crystalline polypropylene used does not contain any additives that may be decomposed by organic peroxides during the melting heat treatment and cause coloration and odor.
この発明において使用される有機シラン化合物とじては
、一般式
（ただし、Ｆｉｌは炭素数１〜１０の直鎖状、分岐状あ
るいは環式アルキレン基で、Ｒ２は炭素数１〜１０のア
ルコキシ基、アルコキシ基で％ ｎｅｏま几は１であ
る。）
で表わされる化合物で、たとえば、犀−メタアクリロキ
シプロビルトリメトキシシラン、パラ−メタアクリロキ
シシクロヘキシルトリメトキシシラ■
ン、嬬−メタアクリロキシプロビルトリアセチルオキシ
シラン、メタアクリロキシトリメトキシシランなどが挙
げられる。The organic silane compound used in this invention has a general formula (where Fil is a linear, branched or cyclic alkylene group having 1 to 10 carbon atoms, R2 is an alkoxy group having 1 to 10 carbon atoms, Compounds represented by the alkoxy group (%neoma is 1), for example, rhino-methacryloxypropyltrimethoxysilane, para-methacryloxycyclohexyltrimethoxysilane, p-methacryloxypropyltrimethoxysilane, Examples include biltriacetyloxysilane and methacryloxytrimethoxysilane.
これら有機シラン化合物の配合割合は、結晶性ポリプロ
ピレン１００重量部あたりα１〜Ｌ５重量部、好ましく
は０．３〜１０重量部の範囲がよい。The blending ratio of these organic silane compounds is preferably in the range of α1 to L5 parts by weight, preferably 0.3 to 10 parts by weight, per 100 parts by weight of crystalline polypropylene.
また、この発明において使用される有機過酸化物は、結
晶性ポリプロピレンの溶融温度付近の温度が１分半減期
となるようなもの、たとえば第三ブチルパーオキシベン
ゾエート、ジクミルパーオキサイド、第三ブチルパーオ
キシラウレート、第三ブチルパーオキシアセテートなど
が挙げられる。In addition, the organic peroxides used in this invention include those whose half-life is 1 minute at a temperature near the melting temperature of crystalline polypropylene, such as tert-butyl peroxybenzoate, dicumyl peroxide, and t-butyl peroxide. Examples include peroxylaurate and tert-butyl peroxyacetate.
これらの有機過酸化物は、結晶性ポリプロピレンの分解
を誘起させないために、前記溶融加熱処理中に全て分解
させることが好ましい。It is preferable that all of these organic peroxides be decomposed during the melting heat treatment so as not to induce decomposition of the crystalline polypropylene.
本発明において、シラン変性ポリプロピレン３０〜７０
重量％と結晶性ポリプロピレン７０−３０重量％全配合
した混合物を溶融押出成形する理由は次の通りである。In the present invention, silane-modified polypropylene 30 to 70
The reason for melt extrusion molding of a mixture containing 70-30% by weight of crystalline polypropylene is as follows.
シラン変性ポリプロピレン３０重量％未満で結晶性ポリ
プロピレン７０重量係以上を配合した混合物を溶融押出
したフィルムの両面にセルローズ繊維紙を貼合せたラミ
ネート紙では、絶縁油を含浸させ次場合ポリプロピレン
フィルム層とセルローズ繊維紙が剥れてしまい、一方、
シラン変性ポリプロピレン７０重量％以上で結晶性ポリ
プロピレン３０重量％未満を配合した混合物を溶融押出
したフィルムの両面にセルローズ繊維紙を貼合せたラミ
ネート紙では、絶縁油を含浸させた場合、ポリプロピレ
ンフィルム層の膨潤が大きく好ましくないからである。For laminated paper, in which cellulose fiber paper is laminated on both sides of a film made by melt-extruding a mixture of less than 30% by weight of silane-modified polypropylene and 70% by weight or more of crystalline polypropylene, the polypropylene film layer and cellulose fiber paper are impregnated with insulating oil. The fiber paper peels off, and on the other hand,
In laminated paper, which is made by laminating cellulose fiber paper on both sides of a film made by melt-extruding a mixture of 70% by weight or more of silane-modified polypropylene and less than 30% by weight of crystalline polypropylene, when impregnated with insulating oil, the polypropylene film layer This is because swelling is large and undesirable.
本発明の製造方法は前記７ラン変性ポリプロピレンと結
晶性ポリプロピレンの混合物を押出機Ｔ−ダイにより厚
さ３０〜１００μｍ程度のフィルムを溶融押出し、その
両面に厚さ３０〜８０μｍのセルローズ繊維紙を貼合せ
てラミネート絶縁紙を製造するものである。The manufacturing method of the present invention is to melt and extrude the mixture of the 7-run modified polypropylene and crystalline polypropylene using an extruder T-die to form a film with a thickness of about 30 to 100 μm, and then paste cellulose fiber paper with a thickness of 30 to 80 μm on both sides of the film. In addition, laminated insulating paper will be manufactured.
本発明の実施例及び比較例配水す。 Examples of the present invention and comparative examples of water distribution.
結晶性ポリプロピレン（ホモポリマー）（ＭＦＲ＝２０
）１００重量部と礎−メタアクリロキンプロビルトリメ
トキシシラン０．５重量部及び第三ブチルパーオキシベ
ンゾエート０．２５重量部と全へンンエルミキサーで充
分混合した後、押出機に供給して、温度２００℃で反応
させ、ＭＦＲ＝９０のシラン変性ポリプロピレン（Ａ）
を製造した。このペレット′４０重量部にＶＦＲ＝５の
結晶性ポリプロピレン（ホモポリマー） （Ｂ） ６０
重量部を混合した混合物を横幅７００訓、スリンｌα５
Ｉ＋Ｉｌ＋１のダイスを付けた押出機で２６０℃で溶融
押出し台、その両面に厚さ３０μｍのセルローズ繊維紙
を貼合せ、ラミネート絶縁紙全書た。Crystalline polypropylene (homopolymer) (MFR=20
), 0.5 parts by weight of methacryloquineprobyltrimethoxysilane and 0.25 parts by weight of tert-butylperoxybenzoate were thoroughly mixed in a full-body mixer, and then fed to an extruder. and reacted at a temperature of 200°C to produce silane-modified polypropylene (A) with an MFR of 90.
was manufactured. Add 40 parts by weight of this pellet to crystalline polypropylene (homopolymer) with VFR=5 (B) 60
A mixture of weight parts is mixed with a width of 700 mm and a Surin lα5
A 30 μm thick cellulose fiber paper was laminated on both sides of a melt-extrusion table at 260° C. using an extruder equipped with a die of I+Il+1 to form a laminated insulating paper.
同様にしてシラン変性ポリブロビンン（Ａ）と結晶性ポ
リプロピレン（Ｂ）の配合割合を第１表の如く変え念混
合物を甲いてラミネート絶縁紙全書た。In the same manner, the mixture ratios of silane-modified polypropylene (A) and crystalline polypropylene (B) were changed as shown in Table 1, and the mixture was prepared on a laminated insulating paper.
これらラミネート絶縁紙を１５ｍｍ巾、長さ２００飾に
切り取り、テンシロン型万能引張試験機で接着強度全測
定し、更に絶縁油アルキルベンゼン（三菱油化３８りに
１００℃２４時間浸漬した後、接着強度を測定した。These laminated insulating papers were cut into pieces 15 mm wide and 200 mm long, and the total adhesive strength was measured using a Tensilon type universal tensile tester.The adhesive strength was also measured after immersing them in insulating oil alkylbenzene (Mitsubishi Yuka 38) for 24 hours at 100°C. It was measured.
またラミネート絶縁紙を３０ｍｍＸ３０ｍｍに切シ取り
１０枚重ね合せてＩＫｇ／ｉの荷重をかけ、絶縁油アル
キルベンゼンに１００℃５日間浸漬した後の厚さ変化率
全膨潤率として表わし比。その結果を第１表に示し念。In addition, 10 sheets of laminated insulating paper cut into 30 mm x 30 mm are stacked one on top of the other, a load of IKg/i is applied, and the thickness change ratio is expressed as the total swelling ratio after immersing in insulating oil alkylbenzene at 100°C for 5 days. The results are shown in Table 1.
第１表
〔発明の効果〕
以上述べ次ように、大発明で得られたラミネート絶縁紙
は、特に絶縁油中での接着性、耐膨潤性のすぐれたもの
である。Table 1 [Effects of the Invention] As described above, the laminated insulating paper obtained by the present invention has particularly excellent adhesiveness and swelling resistance in insulating oil.
Claims (1)
物とからなる混合物を溶融加熱処理して得たシラン変性
ポリプロピレン３０〜７０重量％と結晶性ポリプロピレ
ン７０〜３０重量％を配合した混合物を溶融押出したフ
ィルムの両面にセルローズ繊維紙を貼合せることを特徴
とする電気絶縁用ラミネート紙の製造方法。A film obtained by melt extruding a mixture of 30 to 70% by weight of silane-modified polypropylene obtained by melting and heating a mixture of crystalline polypropylene, an organic silane compound, and an organic peroxide, and 70 to 30% by weight of crystalline polypropylene. A method for producing laminated paper for electrical insulation, which comprises laminating cellulose fiber paper on both sides of the paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15453486A JPS6310414A (en) | 1986-07-01 | 1986-07-01 | Manufacture of electrically insulating laminate paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15453486A JPS6310414A (en) | 1986-07-01 | 1986-07-01 | Manufacture of electrically insulating laminate paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6310414A true JPS6310414A (en) | 1988-01-18 |
Family
ID=15586359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15453486A Pending JPS6310414A (en) | 1986-07-01 | 1986-07-01 | Manufacture of electrically insulating laminate paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006060714A1 (en) * | 2004-12-03 | 2006-06-08 | Dow Global Technologies Inc. | Wood fiber plastic composites |
-
1986
- 1986-07-01 JP JP15453486A patent/JPS6310414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006060714A1 (en) * | 2004-12-03 | 2006-06-08 | Dow Global Technologies Inc. | Wood fiber plastic composites |
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