JPS6354409A - Fluorinated copolymer - Google Patents

Fluorinated copolymer

Info

Publication number
JPS6354409A
JPS6354409A JP16824887A JP16824887A JPS6354409A JP S6354409 A JPS6354409 A JP S6354409A JP 16824887 A JP16824887 A JP 16824887A JP 16824887 A JP16824887 A JP 16824887A JP S6354409 A JPS6354409 A JP S6354409A
Authority
JP
Japan
Prior art keywords
formula
copolymer
mol
fluorine
structural units
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
JP16824887A
Other languages
Japanese (ja)
Other versions
JPH0257085B2 (en
Inventor
Akira Omori
晃 大森
Nobuyuki Tomihashi
信行 富橋
Hiroshi Inukai
宏 犬飼
Yoshiki Shimizu
義喜 清水
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP16824887A priority Critical patent/JPS6354409A/en
Publication of JPS6354409A publication Critical patent/JPS6354409A/en
Publication of JPH0257085B2 publication Critical patent/JPH0257085B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the title copolymer excellent in transparency and compatibility with methyl methacrylate polymer and useful as a material for paints, by copolymerizing 1,1-difluoroethylene with a specified monomer and a fluoroolefin. CONSTITUTION:1,1-Difluoroethylene is copolymerized with a functional group- containing monomer of formula I (wherein X is -OH, a group of formula II or -COOH, m is 0-10 and n is 1-4) and a fluoroolefin of formula III (wherein Y is Cl, F or trifluoromethyl) at 0-150 deg.C and a pressure <=50kg/cm<2>.G to obtain the title copolymer of mol.wt. of 10,000-500,000, comprising 50-99mol% structural units of formula IV, 1-50mol% structural units of formula V and 30mol% or below structural units of formula VI. This copolymer is mixed with a curing agent (e.g., hexamethylene diisocyanate) to obtain a room temperature-curing fluororesin paint.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、塗料材料に適する官能基含有含フツ素共重合
体に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a functional group-containing fluorine-containing copolymer suitable for coating materials.

〔従来の技術〕[Conventional technology]

従来、耐候性を有する常温硬化性塗料用材料として、フ
ルオロオレフィン、シクロヘキシルビニルエーテルおよ
びその他種々の単量体を共重合した共重合体が提案され
ている(特開昭55−25414、同57−34107
および同57−34108号公報)、シかし、この共重
合体は、塗料の透光性を向上させるためによく使用され
るメチルメタクリレート系重合体と相溶性が良(ないと
いう問題を有している。
Conventionally, copolymers made by copolymerizing fluoroolefins, cyclohexyl vinyl ether, and various other monomers have been proposed as weather-resistant room-temperature-curing paint materials (JP-A-55-25414, JP-A-57-34107).
However, this copolymer does not have good compatibility with methyl methacrylate polymers, which are often used to improve the transparency of paints. ing.

〔発明の目的〕[Purpose of the invention]

本発明者らは、メチルメタクリレート系重合体と相溶性
の良い含フツ素共重合体を探した結果、特定のJA量体
を含有する含フツ素共重合体がこの性質に優れているこ
とを見出し、本発明に達したものである。
The present inventors searched for a fluorine-containing copolymer that has good compatibility with methyl methacrylate polymers, and found that a fluorine-containing copolymer containing a specific JA polymer has excellent properties. Heading: This is what led to the present invention.

本発明の目的は、塗料材料等として優れている含フツ素
共重合体を提供することである。
An object of the present invention is to provide a fluorine-containing copolymer that is excellent as a coating material and the like.

〔発明の構成〕[Structure of the invention]

本発明に係わる含フツ素共重合体は、式:%式%() で表わされる構造華位50〜99モル%および式ニ ーCC00H、mは0または1〜10の整数、nは1〜
4の整数を示す。) で表わされる構造単位1〜50モル%および式:%式%
() (式中、Yは塩素、フッ素またはトリフルオロメチル基
を示す、) で表わされる構造単位30モル%以下(ただし、構造華
位(a)、(b)および(c)の合計は100モル%で
ある。)から木質的に構成される、分子量10,000
〜500.000の含フツ素ランダム共重合体である。
The fluorine-containing copolymer according to the present invention has a structure represented by the formula % formula % () with a structure of 50 to 99 mol % and a formula of CC00H, m is 0 or an integer of 1 to 10, and n is 1 to
Indicates an integer of 4. ) Structural units represented by 1 to 50 mol% and formula:% formula%
() (wherein, Y represents chlorine, fluorine or trifluoromethyl group) 30 mol% or less of structural units (However, the total of structural positions (a), (b) and (c) is 100 mol% or less mol%), with a molecular weight of 10,000.
~500,000 fluorine-containing random copolymer.

本発明の含フツ素共重合体は、1.1−ジフルオロエチ
レン、式: %式% (式中、X、mおよびnは前記と同じ、)で表わされる
官能基を有する単量体および弐:CF、、CFY (式中、Yは前記と同じ、) で表わされるフルオロオレフィンを共重合させて得るこ
とができ、通常分子量は、ゲルパーミェーションクロマ
トグラフィー(GPC)による測定でto、ooo〜5
00,000 、ガラス転移点は、−40〜70℃であ
る。また、前記単量体の他、本発明の含フツ素共重合体
の物性を損なわない範囲で他の単量体を共重合してもよ
い。
The fluorine-containing copolymer of the present invention comprises 1,1-difluoroethylene, a monomer having a functional group represented by the formula: % formula % (wherein X, m and n are the same as above) and It can be obtained by copolymerizing fluoroolefins represented by: CF,, CFY (in the formula, Y is the same as above), and the molecular weight is usually determined by gel permeation chromatography (GPC) to, ooo~5
00,000, the glass transition point is -40 to 70°C. In addition to the above-mentioned monomers, other monomers may be copolymerized as long as the physical properties of the fluorine-containing copolymer of the present invention are not impaired.

本発明の含フツ素共重合体は、乳化、懸濁または溶液重
合で製造することができる。重合温度は、いずれの方法
でも通常O〜150℃、好ましくは5〜95℃、重合圧
力も、いずれの方法でも通常50kg/cm”G以下で
ある。
The fluorine-containing copolymer of the present invention can be produced by emulsion, suspension or solution polymerization. In either method, the polymerization temperature is usually 0 to 150°C, preferably 5 to 95°C, and the polymerization pressure is usually 50 kg/cm''G or less in any method.

重合媒体は、懸濁重合では、例えば水、1.1.2−ト
リクロロ−1,2,2−トリフルオロエタンまたは1゜
2−ジクロロ−1,1,2,2−テトラフルオロエタン
あるいはこれらの混合物等、溶液重合では、例えばメチ
ルエヂルケトン、酢酸エチル、酢酸ブチル等である。
In suspension polymerization, the polymerization medium is, for example, water, 1.1.2-trichloro-1,2,2-trifluoroethane or 1.2-dichloro-1,1,2,2-tetrafluoroethane or these. In the case of solution polymerization of mixtures, for example, methyl ethyl ketone, ethyl acetate, butyl acetate, etc. are used.

重合開始剤は、乳化重合では、酸化剤、還元剤および遷
移金属塩類からなるレドックス開始剤等、懸濁および溶
液重合では、アゾ系化合物や有機過酸化物等である。酸
化剤の例としては、過硫酸アンモニウム、過硫酸カリ等
の過硫酸塩、還元剤の例としては、亜硫酸ナトリウム等
の亜硫酸塩、遷移金属塩類の例としては、硫酸鉄(Ir
)等、アゾ系化合物の例としては、アゾビスイソブチロ
ニトリル等、有機過酸化物の例としては、イソ−ブチリ
ルパーオキシド、オククノイルパーオキシド、ジ−イソ
−プロピルパーオキシ−ジ−カーボネート等が挙げられ
る。
The polymerization initiator is a redox initiator consisting of an oxidizing agent, a reducing agent, and a transition metal salt in emulsion polymerization, and an azo compound or an organic peroxide in suspension or solution polymerization. Examples of oxidizing agents include persulfates such as ammonium persulfate and potassium persulfate; examples of reducing agents include sulfites such as sodium sulfite; and examples of transition metal salts include iron sulfate (Ir).
), Examples of azo compounds include azobisisobutyronitrile, and examples of organic peroxides include iso-butyryl peroxide, occunoyl peroxide, di-iso-propyl peroxy-di-carbonate. etc.

本発明の含フツ素共重合体は、フッ素ゴム、成形材料等
種々の用途があるが、該共重合体に硬化剤を配合し、常
温硬化型フッ素樹脂塗料として用いるのが特に有用であ
る。酸共重合体を常温硬化型フッ素樹脂塗料に用いる場
合、該共重合体は、1.1−ジフルオロエチレン50〜
99モル%、前記式で表わされる官能基を含有する単量
体1〜50モル%および前記式で表わされるフルオロオ
レフィン30モル%以下を共重合したものであるのが好
ましい、1,1−ジフルオロエチレン含有攪が50モル
%以上であると塗料皮膜の耐薬品性、耐候性、耐汚染性
等が良好であり、官能基を含有する単量体が1〜50モ
ル%含有されていると、共重合する際の共重合性や塗料
とした時のび化性が良く、フルオロオレフィンが30モ
ル%以下含有されていると、含フツ素共重合体の有機)
容媒に対する溶解性が良い。
The fluorine-containing copolymer of the present invention has various uses such as fluororubber and molding materials, but it is particularly useful to blend the copolymer with a curing agent and use it as a room temperature-curable fluororesin paint. When the acid copolymer is used in a room-temperature curing fluororesin coating, the copolymer has 50 to 1,1-difluoroethylene.
99 mol%, 1 to 50 mol% of a monomer containing a functional group represented by the above formula, and 30 mol% or less of a fluoroolefin represented by the above formula are preferably copolymerized, 1,1-difluoro When the ethylene content is 50 mol% or more, the paint film has good chemical resistance, weather resistance, stain resistance, etc., and when the monomer containing a functional group is contained from 1 to 50 mol%, If the copolymerizability during copolymerization and spreadability when used as a paint are good, and the fluoroolefin content is 30 mol% or less, the fluorine-containing copolymer (organic)
Good solubility in the medium.

本発明の含フツ素共重合体に配合することができる硬化
剤としては、例えばヘキザメチレンジイソシアネート、
トリレンジイソシアネート、水素添加トリレンジイソシ
アネート等のイソシアネートiがある。このイソシアネ
ート類は、該共重合中の官能基と反応(架橋)し、常温
で塗料を硬化させる1肋きを有している。
Examples of curing agents that can be incorporated into the fluorine-containing copolymer of the present invention include hexamethylene diisocyanate,
Isocyanates i include tolylene diisocyanate and hydrogenated tolylene diisocyanate. This isocyanate reacts (crosslinks) with the functional group in the copolymerization and has one side that cures the paint at room temperature.

本発明の含フツ素共重合体を含有する常温硬化型フッ素
樹脂塗料は、通常の塗料と同様、屋外または屋内用の塗
料として金属、木材、コンクリート、プラスチイック等
の基材に適用することができ、耐候性、耐薬品性、耐汚
染性等を付与することができる。また、本発明の含フツ
素共重合体は、更にそのガラス転移点を低下させるJI
L量体を少量含有させることにより、フッ素ゴム材料と
しても有用なものである。
The room-temperature-curing fluororesin paint containing the fluorine-containing copolymer of the present invention can be applied to base materials such as metal, wood, concrete, and plastic as an outdoor or indoor paint, just like ordinary paints. It can provide weather resistance, chemical resistance, stain resistance, etc. In addition, the fluorine-containing copolymer of the present invention further has a JI which lowers its glass transition point.
By containing a small amount of L-mer, it is also useful as a fluororubber material.

次に本発明の含フツ素共重合体の調製例および通光性試
験例ならびに本発明の含フツ素共重合体を常温硬化型フ
ッ素樹脂塗料材料として使用した実施例を示す。
Next, preparation examples and light transmittance test examples of the fluorine-containing copolymer of the present invention, and examples in which the fluorine-containing copolymer of the present invention are used as a room temperature-curable fluororesin coating material will be shown.

調製例1 250 ccのオートクレーブに酢酸エチル50cc、
ジイソプロピルパーオキシジカーボネート0.5 gお
よび式: %式%(1) で表わされる単量体4.3gを入れ、窒素で空間部を十
分置換したa、1.1−ジフルオロエチレン(以下、V
dFという、 ) 13.0gとクロロトリフルオロエ
チレン(以下、CTFEという、 ) 6.0 gを仕
込んだ。
Preparation Example 1 50 cc of ethyl acetate in a 250 cc autoclave,
0.5 g of diisopropyl peroxydicarbonate and 4.3 g of a monomer represented by the formula:
13.0 g of dF (hereinafter referred to as ) and 6.0 g of chlorotrifluoroethylene (hereinafter referred to as CTFE) were charged.

該オートクレーブを40℃の恒温槽中に48時間放置し
た。その後、得られた反応混合物を石油エーテル中にあ
け、沈澱物を減圧下に乾燥させ、本発明の含フツ素共重
合体14.8 gを得た。
The autoclave was left in a constant temperature bath at 40°C for 48 hours. Thereafter, the obtained reaction mixture was poured into petroleum ether, and the precipitate was dried under reduced pressure to obtain 14.8 g of the fluorine-containing copolymer of the present invention.

得られた共重合体の分子量は、GPC分析によれば2万
〜15万の分布を有し、メチルエチルケトン中の極限粘
度(〔η〕)は0.22 、示差走査熱量計(D S 
C)によるガラス転移温度(Tg)は−16℃、熱分解
温度(Td)は336℃であった。
The molecular weight of the obtained copolymer has a distribution of 20,000 to 150,000 according to GPC analysis, the intrinsic viscosity ([η]) in methyl ethyl ketone is 0.22, and the molecular weight distribution is 20,000 to 150,000 according to GPC analysis.
The glass transition temperature (Tg) according to C) was -16°C, and the thermal decomposition temperature (Td) was 336°C.

トリフルオロ酢酸を外部標準とするuF核磁気共鳴分析
(NMR)によれば、フン化ビニリデンに由来するCF
tのシグナルがδ−−10〜−20pp−とδ−−30
〜−39ppmに、CTFEに由来するCF、とCFの
シグナルがδ= −40〜−45pp−に、単量体(1
)に由来するCFのシグナルがδ−−90〜−110p
p−に観測され、赤外吸収分析によれば、0H1CHお
よびCFtの伸縮振動に基づく吸収帯がそれぞれ320
0〜3500cm−’ 、2900〜3000cm−’
および1120〜1280cm−’ に観測された。
According to uF nuclear magnetic resonance analysis (NMR) using trifluoroacetic acid as an external standard, CF derived from vinylidene fluoride
The signal of t is δ−10 to −20pp− and δ−30
At ~-39 ppm, the CF and CF signals originating from CTFE are at δ = -40 to -45 ppm, and the monomer (1
) The CF signal derived from δ−90 to −110p
p-, and according to infrared absorption analysis, the absorption bands based on the stretching vibrations of 0H1CH and CFt are 320, respectively.
0~3500cm-', 2900~3000cm-'
and was observed at 1120-1280 cm-'.

前記’ 9F −N M Rおよび元素分析より、前記
得られた共重合体は、VdF/単量体(1)/CTFE
=7/2/1  (モル)の共重合体であった。
From the above '9F-NMR and elemental analysis, it was found that the obtained copolymer was composed of VdF/monomer (1)/CTFE.
=7/2/1 (mol) copolymer.

調製例2〜4 第1表に示す各単量体を用い、調製例1と同様の条件で
本発明の含フツ素共重合体を調製した。
Preparation Examples 2 to 4 Fluorine-containing copolymers of the present invention were prepared using the monomers shown in Table 1 under the same conditions as Preparation Example 1.

分析も調製例1と同様のことを行った。結果を第1表に
示す。
The analysis was also carried out in the same manner as in Preparation Example 1. The results are shown in Table 1.

調製例5 va F 26.3 g、 CTFE 2.5gおよび
式:%式%(4) で表わされる単量体8.9gを使用した他は調製例1と
同じ手順で共重合体を調製した。共重合体組成は、Vd
F/填量体(4) / CT F E =82/ 1.
1/7(モル)、〔η)、TgおよびTdは、それぞれ
0.15、−13℃および280℃であった。
Preparation Example 5 A copolymer was prepared using the same procedure as Preparation Example 1, except that 26.3 g of va F, 2.5 g of CTFE, and 8.9 g of a monomer represented by the formula % formula % (4) were used. . The copolymer composition is Vd
F/filler (4)/CTFE=82/1.
1/7 (mol), [η), Tg and Td were 0.15, -13°C and 280°C, respectively.

五周製例6 VdF 12.5 gSCTFE 3.0gおよび式:
で表わされる単量体3.4gを使用した他は調製例1と
同じ手順で共重合を調製した。共重合体組成は、VdF
/単量体(5)/CTFE−80/8/12(モル)、
(η)、TgおよびTdは、それぞれ0.1日、−19
℃および290℃であった。
Five rounds production example 6 VdF 12.5 g SCTFE 3.0 g and formula:
Copolymerization was prepared in the same manner as in Preparation Example 1 except that 3.4 g of the monomer represented by was used. The copolymer composition is VdF
/monomer (5)/CTFE-80/8/12 (mol),
(η), Tg and Td are 0.1 day and −19, respectively.
℃ and 290℃.

調製例7 1000 ccのオートクレーブに水250cc、 1
.2−ジクロロ−1,1,2,2−テトラフルオロエタ
ン250ccおよび単量体(1)  15.1 gを仕
込み、窒素で空間部を十分置換した後、VdF34gお
よびCTFE3゜5gを仕込んだ、オートクレーブを4
0℃に加熱し、十分攪拌した後イソブチリルパーオキシ
ド1gを仕込み重合を開始した。
Preparation Example 7 250 cc of water in a 1000 cc autoclave, 1
.. An autoclave was charged with 250 cc of 2-dichloro-1,1,2,2-tetrafluoroethane and 15.1 g of monomer (1), and after the space was sufficiently replaced with nitrogen, 34 g of VdF and 3.5 g of CTFE were charged. 4
After heating to 0° C. and stirring thoroughly, 1 g of isobutyryl peroxide was added to start polymerization.

重合圧力が8.5kg/cm!Gの一定になるように■
dF/CTFE−9/1  (モル)の混合ガスを供給
しながら重合を24時間継続した。
Polymerization pressure is 8.5kg/cm! So that G remains constant■
Polymerization was continued for 24 hours while supplying a mixed gas of dF/CTFE-9/1 (mol).

生成した共重合体を分離し、80℃で減圧乾燥を行った
。得量は、85gであった。
The produced copolymer was separated and dried under reduced pressure at 80°C. The yield was 85g.

共重合体組成は、VdF/単量体(1)/CTFE −
91/11/8  (モル)で、分子量分布、Tgおよ
びTdはそれぞれ2万〜20万、−21℃および341
℃であった。
The copolymer composition is VdF/monomer (1)/CTFE −
91/11/8 (mol), molecular weight distribution, Tg and Td are 20,000 to 200,000, -21℃ and 341, respectively.
It was ℃.

調製例8 1000 ccのオートクレーブに水250cc、 1
.2−ジクロロ−1,1,2,2−テトラフルオロエタ
ン250ccおよびjIL量体(1)  9.0 gを
仕込み、窒素で空間部を十分置換した後、VdF31g
およびヘキサフルオロプロペン(RF P) 13.0
gを仕込んだ、オートクレーブを40℃に加熱し、十分
攪拌した後イソブチリルパーオキシド1gを仕込み重合
を開始した。
Preparation Example 8 250 cc of water in a 1000 cc autoclave, 1
.. Charge 250 cc of 2-dichloro-1,1,2,2-tetrafluoroethane and 9.0 g of jIL polymer (1), and after sufficiently replacing the space with nitrogen, add 31 g of VdF.
and hexafluoropropene (RF P) 13.0
After heating the autoclave to 40° C. and stirring thoroughly, 1 g of isobutyryl peroxide was charged to start polymerization.

重合圧力が8.0k(7cm”Gの一定になるようにV
dF/HFP−92/8 (モル)の混合ガスを供給し
ながら、重合を25時間行った。
V so that the polymerization pressure is constant at 8.0k (7cm"G)
Polymerization was carried out for 25 hours while supplying a mixed gas of dF/HFP-92/8 (mol).

生成した重合体を分離し、80℃で減圧乾燥を行った。The produced polymer was separated and dried under reduced pressure at 80°C.

得量は、80gであった。The yield was 80g.

得られた共重合体のGPCによる分子量は2万〜20万
、Tgは一28℃、Tdは302℃、融点(Tm)は1
03℃であった。共重合体組成は、VdF/単量体(1
)/RFP−90/2/8 (モル)であった。
The molecular weight of the obtained copolymer by GPC is 20,000 to 200,000, Tg is -28°C, Td is 302°C, and melting point (Tm) is 1.
The temperature was 0.3°C. The copolymer composition was VdF/monomer (1
)/RFP-90/2/8 (mol).

前記調製例1〜6は、本発明の含フツ素共重合体を溶液
重合により調製した例である。一般にフルオロオレフィ
ンは、溶液重合で重合を試みても重合速度が遅く、特に
炭化水素系溶媒を用いた場合、全く重合しないことがあ
り、たとえ重合したとしてもその重合体は溶媒に対する
溶解性が悪く、従来フルオロオレフィンは、はとんど溶
液重合で重合することができなかった。
Preparation Examples 1 to 6 are examples in which the fluorine-containing copolymer of the present invention was prepared by solution polymerization. In general, even if fluoroolefins are attempted to be polymerized by solution polymerization, the polymerization rate is slow, and especially if a hydrocarbon solvent is used, they may not polymerize at all, and even if they do polymerize, the polymer has poor solubility in the solvent. Conventionally, fluoroolefins could not be polymerized by solution polymerization.

前記調製例1〜6の製法によれば、容易に前記単量体を
用い含フツ素共重合体を調製することができ、従来はと
んど不可能であったフルオロオレフィンの溶液重合が可
能になった。
According to the production methods of Preparation Examples 1 to 6, fluorine-containing copolymers can be easily prepared using the monomers, and solution polymerization of fluoroolefins, which was previously impossible, is possible. Became.

懸濁重合や乳化重合で調製した共重合体は、単離・乾燥
後溶媒に溶解して常温硬化型フッ素樹脂塗料として使用
することができる。
A copolymer prepared by suspension polymerization or emulsion polymerization can be isolated and dried, then dissolved in a solvent and used as a room temperature-curing fluororesin paint.

第1表 (注)表中、(1)は前記と同じ、(2)は式:CFt
=CFCHzCHtOHで表わされる単量体、(3)は
式: CFPCFCFzCFtCH,tcHx。
Table 1 (Note) In the table, (1) is the same as above, (2) is the formula: CFt
Monomer represented by =CFCHzCHtOH, (3) has the formula: CFPCFCFzCFtCH,tcHx.

Hで表わされる単量体を示す。A monomer represented by H is shown.

透光性試験 調製例1〜4で得た共重合体(0,2s+m厚のフィル
ム)について下記の各波長での透光率を測定した。結果
を第2表に示す。
Light Transmittance Test The light transmittance of the copolymers (0.2 s+m thick films) obtained in Preparation Examples 1 to 4 was measured at each of the following wavelengths. The results are shown in Table 2.

第2表 実施例1〜5 調製例1.2.5.7および8で得られた本発明の含フ
ツ素共重合体各々100重量部をメチルイソブチルケト
ン100 !tffi部に溶解し、得られた溶液にヘキ
サメチレンジイソシアネート三量体(硬化剤)を各々2
5重量部、22重量部、25重量部、16重置部および
5重量部加え、よく混合した(順に実施例1〜5に対応
)。
Table 2 Examples 1 to 5 100 parts by weight of each of the fluorine-containing copolymers of the present invention obtained in Preparation Examples 1, 2, 5, 7 and 8 were added to 100 parts by weight of methyl isobutyl ketone! tffi part, and in the resulting solution were added 2 each of hexamethylene diisocyanate trimer (curing agent).
5 parts by weight, 22 parts by weight, 25 parts by weight, 16 parts by weight and 5 parts by weight were added and mixed well (corresponding to Examples 1 to 5 in this order).

得られた各溶液を十分に脱脂した厚さ0.21のアルミ
ニウム板に塗布し、室温で7日間乾燥させた。
Each of the obtained solutions was applied to a thoroughly degreased aluminum plate with a thickness of 0.21 mm, and dried at room temperature for 7 days.

乾燥後の塗膜を肉眼で観察したところ、いずれも透明性
は良好であり、鉛筆硬度も2H以上であった。
When the dried coating films were observed with the naked eye, they all had good transparency and a pencil hardness of 2H or higher.

実施例6 調製例6で得られた本発明の含フッ素共重合体10on
量部を各々メチルイソブチルケトン100重量部に溶解
し、更にジエチレントリアミン(硬化剤)25重量部を
加え、よく混合した 得られた溶液を十分に脱脂した厚さ0.2m+wのアル
ミニウム仮に塗布し、室温で7日間乾燥させた。乾燥後
のf!!膜を肉眼で観察したところ、透明性は良好であ
り、鉛筆硬度も2H以上であった。
Example 6 10 on of the fluorine-containing copolymer of the present invention obtained in Preparation Example 6
Each part was dissolved in 100 parts by weight of methyl isobutyl ketone, further 25 parts by weight of diethylene triamine (hardening agent) was added, and the resulting well-mixed solution was temporarily coated on well-degreased aluminum to a thickness of 0.2 m+w and kept at room temperature. It was dried for 7 days. f after drying! ! When the film was observed with the naked eye, it was found to have good transparency and a pencil hardness of 2H or higher.

〔発明の効果〕 従来、耐候性を有する常温硬化性塗料用材料として、フ
ルオロオレフィン、シクロヘキシルビニルエーテル等を
主成分とする共重合体が知られているが、この共重合体
は、塗料の透光性を向上させるためによく使用されるメ
チルメタクリレート系重合体と相溶性が良くなかつた0
本発明の含フツ素共重合体は、これを改良したもので、
メチルメタクリレート系重合体と溶媒の有無に関係なく
相溶性が良く、共重合体自身も優れた透光性を有してい
る。
[Effect of the invention] Copolymers containing fluoroolefins, cyclohexyl vinyl ether, etc. as main components have been known as weather-resistant room-temperature-curing paint materials. It has poor compatibility with methyl methacrylate polymers, which are often used to improve properties.
The fluorine-containing copolymer of the present invention is an improved version of this,
It has good compatibility with the methyl methacrylate polymer regardless of the presence or absence of a solvent, and the copolymer itself has excellent translucency.

以上that's all

Claims (1)

【特許請求の範囲】 1、式: −CH_2−CF_2−(a) で表わされる構造単位50〜99モル%、 式: ▲数式、化学式、表等があります▼(b) (式中、Xは−OH、▲数式、化学式、表等があります
▼または −COOH基、mは0または1〜10の整数、nは1〜
4の整数を示す。) で表わされる構造単位1〜50モル%および式: −CF_2−CFY−(c) (式中、Yは塩素、フッ素またはトリフルオロメチル基
を示す。) で表わされる構造単位30モル%以下(ただし、構造単
位(a)、(b)および(c)の合計は100モル%で
ある。)から本質的に構成される、分子量10,000
〜500,000の含フッ素ランダム共重合体。
[Claims] 1. 50 to 99 mol% of structural units represented by the formula: -CH_2-CF_2-(a), Formula: ▲There are numerical formulas, chemical formulas, tables, etc.▼(b) (In the formula, X is -OH, ▲Mathematical formulas, chemical formulas, tables, etc.▼ or -COOH group, m is 0 or an integer from 1 to 10, n is 1 to
Indicates an integer of 4. ) and 30 mol% or less of structural units represented by the formula: -CF_2-CFY-(c) (wherein, Y represents chlorine, fluorine or trifluoromethyl group) ( However, the total of structural units (a), (b) and (c) is 100 mol%), with a molecular weight of 10,000
~500,000 fluorine-containing random copolymer.
JP16824887A 1987-07-06 1987-07-06 Fluorinated copolymer Granted JPS6354409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16824887A JPS6354409A (en) 1987-07-06 1987-07-06 Fluorinated copolymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16824887A JPS6354409A (en) 1987-07-06 1987-07-06 Fluorinated copolymer

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58175123A Division JPS6067517A (en) 1983-09-21 1983-09-21 Fluorine-contained copolymer

Publications (2)

Publication Number Publication Date
JPS6354409A true JPS6354409A (en) 1988-03-08
JPH0257085B2 JPH0257085B2 (en) 1990-12-04

Family

ID=15864500

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16824887A Granted JPS6354409A (en) 1987-07-06 1987-07-06 Fluorinated copolymer

Country Status (1)

Country Link
JP (1) JPS6354409A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997015623A1 (en) * 1995-10-27 1997-05-01 Daikin Industries, Ltd. Resin composition, molding produced using the same, and process for producing the same
WO1997048774A1 (en) * 1996-06-19 1997-12-24 Daikin Industries, Ltd. Coating composition, coating film, and process for the production of the film
WO2000011093A1 (en) * 1998-08-24 2000-03-02 Daikin Industries, Ltd. Thin coating film made of fluoropolymer and method of forming the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU686814B2 (en) * 1994-06-09 1998-02-12 Daikin Industries, Ltd. Fluoroolefin, fluoropolymer, and thermoplastic resin composition containing the polymer

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997015623A1 (en) * 1995-10-27 1997-05-01 Daikin Industries, Ltd. Resin composition, molding produced using the same, and process for producing the same
US6479578B2 (en) 1995-10-27 2002-11-12 Daikin Industries, Ltd. Resin composition
WO1997048774A1 (en) * 1996-06-19 1997-12-24 Daikin Industries, Ltd. Coating composition, coating film, and process for the production of the film
US6207236B1 (en) 1996-06-19 2001-03-27 Daikin Industries, Ltd. Coating composition, coating film, and method for producing coating film
WO2000011093A1 (en) * 1998-08-24 2000-03-02 Daikin Industries, Ltd. Thin coating film made of fluoropolymer and method of forming the same
US6794027B1 (en) 1998-08-24 2004-09-21 Daikin Industries, Ltd. Thin coating film comprising fluorine-containing polymer and method of forming same

Also Published As

Publication number Publication date
JPH0257085B2 (en) 1990-12-04

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