KR20010097121A - Dispersibility improver for fluororesin powders, modifier for organic resins, and organic resin compositions - Google Patents

Abstract

The present invention is a dispersibility improving agent for fluororesin powder which can uniformly disperse the fluororesin powder in organic resin; Modifier for organic resin containing a fluororesin powder and the above dispersibility improving agent; And finally containing the above-mentioned modifiers, as a result, to a composition having the ability to form uniform and transparent paints with good surface smoothness.

The dispersibility improving agent for fluororesin powder is a molecule,

At least one organic group (F1) selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and

Polyorganosiloxanes containing at least one perfluoroalkyl-functional organic group (F2) of formula (1).

Formula 1

-R ² -XR ^1- (CF ₂ ) _a F

In the above formula,

R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group,

R ² is a C ₁ to C ₂₀ divalent hydrocarbon group, X is a -CO- or -COO- group,

a is an integer of 3 or more.

Description

Dispersibility improver for fluororesin powders, modifier for organic resins, and organic resin compositions

The present invention relates to a formulation (dispersibility improving agent) for improving the dispersibility of fluororesin powder, a modifier for organic resin, and an organic resin composition. More particularly, the present invention is a dispersibility improving agent for fluororesin powder which can uniformly disperse the fluororesin powder in an organic resin; Modifier for organic resin containing a fluororesin powder and the above dispersibility improving agent; And by containing said modifier, it is related with the organic resin composition which can form the film which has the outstanding surface smoothness as a result.

Fluoropolymer powders, such as mixtures of Teflon ™ powders with organic resins, are measures to improve the physical properties of known organic resins. For example, Japanese Patent Application Laid-Open (Unexamined or Unexamined) Patent Application No. Hei 9-286911 (286,911 / 1997) adds fibrous polytetrafluoroethylene powder to a polycarbonate resin to provide high impact polycarbonate. The method of manufacturing a resin composition is taught. However, since the fluororesin powder generally has a low surface tension, it is thus very difficult to obtain a homogeneous dispersion of the fluororesin powder in an organic resin having a relatively large surface tension. As a result, the emergence of the method which can produce the homogeneous dispersion of the fluororesin powder in organic resin is desired.

An object of the present invention is to provide a dispersibility improving agent for fluororesin powder which can uniformly disperse the fluororesin powder in an organic resin.

Still another object of the present invention is to provide a modifier for an organic resin comprising a fluororesin powder and a dispersibility improving agent.

It is a further object of the present invention to provide an organic resin composition having the ability to form a uniform, transparent paint having good surface smoothness as a result of containing the above-described modifier.

The present invention is a molecule,

At least one organic group (F1) selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and

A dispersibility improving agent for fluororesin powder, which is a polyorganosiloxane containing at least one perfluoroalkyl-functional organic group (F2) of formula (1).

-R ² -XR ^1- (CF ₂ ) _a F

In the above formula,

R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group,

R ² is a C ₁ to C ₂₀ divalent hydrocarbon group,

X is a -CO- or -COO- group,

a is an integer of 3 or more.

The present invention further relates to a modifier for organic resin comprising a fluororesin powder (A) and a polyorganosiloxane dispersibility improving agent (B).

Moreover, this invention relates to the organic resin composition containing the mixture of component (A) and (B) and organic resin (C).

The polyorganosiloxane (B) used in the present invention has at least one organic group selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups in its molecule. (F1) and at least one perfluoroalkyl-functional organic group (F2) of formula 1 [-R ² -XR ^1- (CF ₂ ) _a F].

Polyoxyalkylene-functional organic groups may be represented by a group of formula (2).

-(R ³ ) _b -O- (R ⁴ O) _c -R ⁵

In the above formula,

R ³ is a divalent hydrocarbon group,

R ⁴ is a C ₁ to C ₄ alkylene group,

R ⁵ is a hydrogen atom, a monovalent hydrocarbon group or an acyl group,

b is 0 or 1,

c is an integer of 1 to 300, Preferably it is an integer of 5 or more.

Specific examples of such polyoxyalkylene-functional organic groups include:

-C ₃ H ₆ O (C ₂ H ₄ O) ₁₂ CH ₃ ,

-C ₃ H ₆ O (C ₃ H ₆ O) ₂₀ CH ₃ ,

-C ₃ H ₆ O (C ₂ H ₄ O) ₆ (C ₃ H ₆ O) ₂₀ CH ₃ ,

-C ₃ H ₆ O (C ₂ H ₄ O) ₂₀ H,

-C ₃ H ₆ O (C ₃ H ₆ O) ₄₀ H,

-C ₃ H ₆ O (C ₂ H ₄ O) ₂₀ (C ₃ H ₆ O) ₂₀ H,

-C ₃ H ₆ O (C ₃ H ₆ O) ₄₀ COCH ₃ , and

-C ₃ H ₆ O (C ₂ H ₄ O) ₂₀ (C ₃ H ₆ O) ₂₀ COCH ₃ .

Examples of alkyl having 12 or more carbon atoms include n-dodecyl, n-tetradecyl, n-hexadecyl and n-octadecyl.

Examples of the polydialkylsiloxane chain-containing organic group include the group of formula (3).

In the above formula,

R is a substituted or unsubstituted monovalent hydrocarbon group,

R ⁶ is alkylene or alkyleneoxyalkylene,

c is as defined above.

Specific examples of these groups include groups of the following formula, where Me is an abbreviation for methyl group.

-C ₂ H ₄ {Me ₂ SiO} ₄₀ Me ₂ SiC ₄ H ₉

-C ₂ H ₄ {Me ₂ SiO} ₅₀ SiMe ₃

-C ₃ H ₆ {Me ₂ SiO} ₄₀ Me ₂ SiC ₄ H ₉

-C ₂ H ₄ {Me ₂ SiO} ₆₀ SiMe ₃

R ¹ in the perfluoroalkyl-functional organic group (F2) is a C ₁ to C ₁₀ divalent hydrocarbon group, of which ethylene and propylene are preferred. R ² is a C ₁ to C ₂₀ divalent hydrocarbon group and preferably contains 3 or more carbon atoms. Decamethylene is particularly preferred for R ² . X is a -C (= 0)-or -C (= 0) O- group, and the subscript a is an integer of 3 or more, preferably in the range of 4 to 10. Specific examples of perfluoroalkyl-functional organic groups include the following:

-C ₁₀ H ₂₀ COOC ₂ H ₄ C ₄ F ₉

-C ₁₀ H ₂₀ COOC ₂ H ₄ C ₆ F ₁₃

-C ₁₀ H ₂₀ COOC ₂ H ₄ C ₈ F ₁₇

-C ₄ H ₈ COOC ₂ H ₄ C ₈ F ₁₇

-C ₃ H ₆ COOC ₂ H ₄ C ₈ F ₁₇

-C ₁₀ H ₂₀ COC ₂ H ₄ C ₈ F ₁₇

-C ₃ H ₆ COC ₃ H ₆ C ₈ F ₁₇

-C ₂ H ₄ COC ₂ H ₄ C ₈ F ₁₇

The polyorganosiloxane dispersibility improving agent may have, for example, a straight chain, branched or cyclic molecular structure. In addition, the organic group (F1) is preferably bonded at the side chain position in the polyorganosiloxane, whereas the perfluoroalkyl-functional organic group (F2) of the formula is preferably at the side chain position or molecule in the polyorganosiloxane. Bound to the chain end position. The degree of polymerization of the main chain of the polyorganosiloxane is preferably 5 or more. The molecular weight of the desired polyorganosiloxane is preferably 1,000 to 1,000,000, more preferably 10,000 to 100,000. The polyorganosiloxane preferably has a fluorine content of 1 to 70 weight, more preferably 5 to 50 weight. The performance of stabilizing the dispersion of the fluororesin powder is not fully expressed in the fluorine content of less than 1 wt%, and miscibility with the organic resin becomes poor at the fluorine content over 70 wt%.

The compound defined by the following formula (4) may serve as a typical example of the polyorganosiloxane dispersibility improving agent.

In the above formula,

R is a substituted or unsubstituted monovalent hydrocarbon group, specific examples thereof include C ₁ to C ₃₀ alkyl, alkenyl, aryl and arylalkyl, typically methyl or phenyl,

R ^F is _a perfluoroalkyl-functional organic group (F2) of the formula 2 [-R ² -XR ^1- (CF ₂ ) _a F],

D is an organic group (F1) selected from polyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polyalkylsiloxane chain-containing organic groups,

E is a group selected from R, R ^F and D,

x is a number from 0 to 500,

y is a number from 0 to 500, and may be 0 when at least one terminal E group is a perfluoroalkyl-functional organic group (F2),

z is a number from 1 to 500,

(x + y + z) is preferably in the range of 2 to 1,000, more preferably 5 to 1,000.

In addition, perfluoroalkyl-functional organic groups (F2) and organic groups (F1) are preferably bonded as side chains along the siloxane backbone of the main chain in the desired polyorganosiloxane.

Examples of the polyorganosiloxane dispersibility improving agent include the following compounds in which Me is methyl.

The polyorganosiloxane is, for example, a SiH-functional polyorganosiloxane, for example a chemical formula, while heating in the presence of an addition-reaction catalyst such as platinum chloride, optionally under the use of an organic solvent. Methylhydrogenpolysiloxane of an alkenyl-functional polyoxyalkylene compound or alkenyl-functional hydrocarbon compound of the formula CH ₂ = CHCH ₂ O (C ₂ H ₄ O) ₁₀ H, for example α-olefin or Vinyl-functional dimethylpolysiloxanes, for example compounds of the formula CH ₂ CH {(CH ₃ ) ₂ SiO} ₄₀ (CH ₃ ) ₂ SiR ⁸ , wherein R ⁸ is a monovalent hydrocarbon group (i) and formula Of R ⁹ -XR ^1- (CF ₂ ) _a F (R ¹ , X and a are as defined above and R ⁹ is a C ₁ to C ₂₀ monovalent hydrocarbon group containing one carbon-carbon double bond) It can be synthesized by addition reaction with the perfluoroalkyl-functional olefin (ii).

The dispersibility improving agent of the fluororesin powder has both the ability to improve the dispersibility of the fluororesin powder in the organic resin and the ability to stabilize the dispersibility. The rationale for causing the performance is not clear. However, since the perfluoroalkyl-functional organic group (F2) is miscible with the fluororesin powder, the organic group (F1) shows affinity for the organic resin, and the polyorganosiloxane chain itself is highly flexible, The dispersibility improving agent intervenes between the fluororesin powder and the organic resin to adjust and promote the dispersion of the fluororesin powder in the organic resin, and is also considered to act to prevent aggregation of the fluororesin powder. Dispersibility improvers may generally be used in an amount of 0.1 to 30 wt.

The improving agent for organic resins contains a fluororesin powder (A) and a polyorganosiloxane dispersibility improving agent (B).

Examples of the fluororesin powder (A) include tetrafluoroethylene resin powder, chlorotrifluoroethylene resin powder, tetrafluoroethylene-hexafluoroethylenepropylene resin powder, vinyl fluoride resin powder, vinylidene fluoride resin powder, and Dichlorodifluoroethylene resin powder is mentioned. The average particle size of these fluororesin powders is preferably in the range of 0.05 to 100 mu m.

The polyorganosiloxane (B) is generally used at 0.1 to 30 parts by weight per 100 parts by weight of the fluororesin powder (A).

The organic solvent can be added to the organic resin modifier on any basis. Examples of these solvents are chlorinated hydrocarbons such as dichloromethane, 1,2-dichloroethane, 1,1,2,2-tetrachloroethane, chloroform, 1,1,1-trichloroethane, carbon tetrachloride, monochloro Benzene and dichlorobenzene; Aromatic hydrocarbons such as benzene, toluene, xylene and ethylbenzene; And ethers such as diethyl ether. Mixtures of two or more of these organic solvents may also be used.

The fluororesin powder (A) and the polyorganosiloxane (B) can be mixed using conventional mixing methods. For example, a Ross mixer, a kneading mixer, a two-roll mill, a three-roll mill or a continuous mixer may be used to mix the components. The organic solvent is added to the organic resin modifier to form various emulsifiers and dispersers such as homogenizers, line mixers, superdispersers, homomixers, nanomizers, microfluidizers, altimizers and ultrasonic dispersers, or mixers. It can be mixed by using a mixing device such as.

Mixing the modifier with the organic resin has the effect of improving the water resistance and oil resistance of the organic resin. Another advantage provided by the resulting organic resin composition is the ability to form a uniform and transparent coating having a very smooth surface.

The organic resin composition is obtained by mixing the fluororesin powder (A) and the polyorganosiloxane (B) with the organic resin (C).

Examples of the organic resin (C) include bisphenol A-type polycarbonate resins, bisphenol Z-type polycarbonate resins, silicone-modified polycarbonate resins, polycarbonate resins other than acrylic resins, styrene resins, styrene and (meth) acryl Late esters such as copolymer resins of methyl acrylate and methyl methacrylate, polyacetal resins, polyester resins, polyurethane resins, polyacrylate resins, polysulfone resins, phenol resins and nylon resins. . These may be used individually or may use a mixture of a plurality of resins. Among the resins described above, polycarbonate resins, acrylic resins, polyacetal resins, polyester resins, phenol resins and nylons are preferred, and polycarbonate resins are particularly preferred.

The content of the fluororesin powder (A) in the organic resin composition is generally 0.01 to 60 parts by weight per 100 parts by weight of the organic resin, preferably 0.1 to 50 parts by weight per 100 parts by weight of the organic resin. The content of the polyorganosiloxane (B) in the organic resin composition is generally 0.01 to 50 parts by weight per 100 parts by weight of the organic resin, preferably 0.1 to 20 parts by weight per 100 parts by weight of the organic resin.

The organic resin composition may, for example, prepare a mixture of organic resin (C) and fluororesin powder (A) in advance, and then mix the mixture with polyorganosiloxane (B), or The fluororesin powder (A) is added directly to the organic resin (C) and mixed, or the organic resin (C) is dissolved in advance in an organic solvent, and then the polyorganosiloxane (B) and the fluororesin powder (A) are homogeneously mixed. It can manufacture by adding to an organic solvent solution. The mixing referred to herein includes a variety of emulsifiers and dispersers, such as homogenizers, line mixers, superdispersers, homomixers, nanomizers, microfluidizers, altimizers and ultrasonic dispersers, or mixers such as mixers. Can be done using

The dispersibility improving agent is characterized by the ability to induce uniform dispersion of the fluororesin powder in the organic resin when present in the organic resin together with the fluororesin powder. The modifier for organic resins is characterized by the ability to impart waterproofness and oil resistance to the organic resins. Finally, the organic resin composition is characterized by the ability to form a uniform and transparent paint having excellent surface smoothness.

Example

The following examples are presented to enable those skilled in the art to understand and appreciate the inventions taught herein, which examples should not be used to limit the scope of the inventions found in the claims. . In the examples below, "parts" mean "parts by weight". The average particle size value reported in the examples for the fluororesin powder dispersed in the organic resin is measured using a Coulter Model N4MD instrument (Coulter Ecletronics, Inc.) for particle size measurement. Contact angles for water and methylene iodide are measured using a CA-Z contact angle meter (Kyowa Kaimen Kagaku).

Synthesis Example 1

Average chemical formula 2 g of SiH-functional polyorganosiloxane (specified by P1, synthesized by equilibrium polymerization), 0.1 g of platinum / tetramethyldivinyldisiloxane complex solution (amount providing a content of 20 ppm of suitable platinum metal), formula CH ₁ = 11.5 g of vinyl-functional polydimethylsiloxane of ₂ = CHMe ₂ SiO (Me ₂ SiO) ₅₀ SiMe ₃ (Me = methyl), perfluoroalkyl of the formula CH ₂ = CHC ₈ H ₁₆ COOC ₂ H ₄ C ₈ F ₁₇ 10 g functional olefin and 66 g toluene are placed in a flask, heated slowly to 60 ° C. and reacted at 60 ° C. for 4 hours. The solvent and low boiling point components are then removed by lowering the pressure to 100 tor at 100 ° C. Analysis by ²⁹ Si-NMR, ¹³ C-NMR and FT-IR showed the resulting reaction product as a polyorganosiloxane of the following average formula, where Me is methyl (hereinafter designated P2).

Synthesis Example 2

Allyl-functional polyoxyalkylene compound CH ₂ = CHCH ₂ O (C ₂ H ₄ O) ₂₄ (C ₃ H ₆ O) ₂₄ CH ₃ instead of 11.5 g of the vinyl-functional polydimethylsiloxane used in Synthesis Example 1 Except for using 7.6 g, treatment was carried out as in Synthesis Example 1 to obtain a polyorganosiloxane of the following average formula (hereinafter designated as P3).

Synthesis Example 3

Except for using 0.76 g of α-olefin CH ₂ = CHC ₁₆ H _{33 in} place of 11.5 g of the vinyl-functional polydimethylsiloxane used in Synthesis Example 1, the following average formula was followed according to the procedure described in Synthesis Example 1. To obtain a polyorganosiloxane (hereinafter designated P4).

Example 1

10 parts of bisphenol Z-type polycarbonate resin (Z200; manufactured by Mitsubishi Gas Chemical Co., Inc.) was dissolved in 100 parts of chlorobenzene, followed by tetrafluoroethyl resin powder (DAIKIN-POLYFLON PTFE Lowpolymers; manufactured by Daikin Industries, Ltd., primary particle size = 5 μm, secondary particle size = 0.3 μm) and 0.1 part of the polyorganosiloxane (P2) prepared in Synthesis Example 1 were added under homogeneous mixing. The mixture was passed once through a microfluidizer (M-110Y; manufactured by Mizuho Kogyo Kabushiki Kaisha) at 10,000 psi to obtain a polycarbonate resin composition. The polycarbonate resin composition takes the form of a homogeneously dispersed solution.

The composition is placed in a glass bottle and left for 10 minutes, at which time its appearance is visually evaluated. No separation into the liquid layer and the precipitate layer is observed. The particle size of the particles dispersed in the composition (tetrafluoroethylene resin powder) was measured, and the average particle size was 155 nm. When the composition is applied to a glass slide and dried in an oven, a uniform and transparent coating is obtained. These measurement results are reported in Table 1. The uniform and transparent coating is subjected to contact angle measurements to give the following results: contact angle for water = 105 °, contact angle for methylene iodide = 60 °.

Example 2

A polycarbonate resin composition was prepared as in Example 1 except that polyorganosiloxane (P3) prepared in Synthesis Example 2 was used instead of polyorganosiloxane (P2). The composition is placed in a glass bottle and left for 10 minutes, at which time its appearance is visually evaluated. No separation into the liquid layer and the precipitate layer is observed. As a result of measuring the particle size of the particles (tetrafluoroethylene resin powder) dispersed in the composition, the average particle size is 170 nm. When the composition is applied to a glass slide and dried in an oven, a uniform and transparent coating is obtained. These measurement results are reported in Table 1.

Example 3

A polycarbonate resin composition was prepared as in Example 1 except that the polyorganosiloxane (P4) prepared in Synthesis Example 3 was used instead of the polyorganosiloxane (P2). The composition is placed in a glass bottle and left for 10 minutes, at which time its appearance is visually evaluated. No separation into the liquid layer and the precipitate layer is observed. The particle size of the particles (tetrafluoroethylene resin powder) dispersed in the composition was measured, and the average particle size was 175 nm. When the composition is applied to a glass slide and dried in an oven, a uniform and transparent coating is obtained. These measurement results are reported in Table 1.

Comparative Example 1

A polycarbonate resin composition was prepared as in Example 1 except that no polyorganosiloxane (P2) was added. The composition is placed in a glass bottle and left for 10 minutes, at which time its appearance is visually evaluated. In this case, separation into the liquid layer and the precipitate layer is observed. The average particle size of the particles (tetrafluoroethylene resin powder) dispersed in the composition is 1270 nm. When the composition is applied to a glass slide and dried in an oven, a non-uniform and opaque coating is obtained. These measurement results are also reported in Table 1.

Example 1 Example 2 Example 3 Comparative Example 1 Distributed state Great Great Great Bad Separation into liquid layer and sediment layer × × × ○ Average particle size (nm) 155 170 175 1,270 Covering condition Uniformity Uniformity Uniformity Heterogeneity

Comparative Example 2

10 parts of bisphenol Z-type polycarbonate resin (Z200; manufactured by Mitsubishi Gas Chemical Co., Inc.) are dissolved in 100 parts of chlorobenzene, and the resulting solution is applied to a glass slide and dried in an oven. The coating thus obtained is uniform and transparent. The uniform and transparent coating was subjected to contact angle measurements to obtain the following results: contact angle for water = 90 °, contact angle for methylene iodide = 37 °.

According to the present invention, a dispersibility improving agent for fluororesin powder which can uniformly disperse the fluororesin powder in an organic resin; By containing the modifier for organic resin containing a fluororesin powder and a dispersibility improving agent, and the said modifier, as a result, the organic resin composition which has the ability to form the uniform and transparent paint which has the outstanding surface smoothness can be provided.

Claims (16)

Polyorganosiloxane molecule, At least one organic group (F1) selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and Polydiorganosiloxanes containing at least one perfluoroalkyl-functional organic group (F2) of formula (I). Formula 1 -R ² -XR ^1- (CF ₂ ) _a F In the above formula, R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group, R ² is a C ₁ to C ₂₀ divalent hydrocarbon group, X is a -CO- or -COO- group and a is an integer of 3 or more. The polydiorganosiloxane according to claim 1, wherein the degree of polymerization of the polyorganosiloxane is 5 or more. 2. The polydiorganosiloxane of claim 1 wherein (F1) is a polyoxyalkylene-functional organic group of formula (2). Formula 2 -(R ³ ) _b -O- (R ⁴ O) _c -R ⁵ In the above formula, R ³ is a divalent hydrocarbon group, R ⁴ is a C ₁ to C ₄ alkylene group, R ⁵ is a hydrogen atom, a monovalent hydrocarbon group or an acyl group, b is 0 or 1, c is an integer from 1 to 300. The polydiorganosiloxane according to claim 1, wherein (F1) is an alkyl group having 12 or more carbon atoms. 2. The polydiorganosiloxane of claim 1 wherein (F1) is a polydialkylsiloxane chain-containing organic group of formula (3). Formula 3 In the above formula, R is a substituted or unsubstituted monovalent hydrocarbon group, R ⁶ is alkylene or alkyleneoxyalkylene, c is an integer from 1 to 300. The polydiorganosiloxane of claim 1 having formula (4). Formula 4 In the above formula, R is a substituted or unsubstituted monovalent hydrocarbon group, R ^F is a perfluoroalkyl-functional organic group of formula 1, D represents an organic group selected from a polyalkylene-functional organic group, an alkyl group having at least 12 carbon atoms, or a polyalkylsiloxane chain-containing organic group, E is a group selected from R, R ^F and D, x is a number from 0 to 500, y is a number from 0 to 500, z is a number from 1 to 500, (x + y + z) is in the range of 2 to 1,000. Formula 1 -R ² -XR ^1- (CF ₂ ) _a F In the above formula, R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group, R ² is a C ₁ to C ₂₀ divalent hydrocarbon group, X is a -CO- or -COO- group, a is an integer of 3 or more. Fluororesin powder (A); And At least one organic group (F1) wherein the molecule is selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and A modifier for an organic resin comprising a polydiorganosiloxane (B) containing at least one perfluoroalkyl-functional organic group (F2) of formula (1). Formula 1 -R ² -XR ^1- (CF ₂ ) _a F In the above formula, R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group, R ² is a C ₁ to C ₂₀ divalent hydrocarbon group, X is a -CO- or -COO- group, a is an integer of 3 or more. The fluororesin powder according to claim 7, wherein the fluororesin powder is tetrafluoroethylene resin powder, chlorotrifluoroethylene resin powder, tetrafluoroethylene-hexafluoroethylenepropylene resin powder, vinyl fluoride resin powder, vinylidene fluoride resin powder And a dichlorodifluoroethylene resin powder. 8. The modifier for organic resin according to claim 7, wherein the average particle size of the fluororesin powder is in the range of 0.05 to 100 mu m. The modifier for organic resin according to claim 7, wherein the polydiorganosiloxane (B) is present in an amount of 0.1 to 30 parts by weight per 100 parts by weight of the fluororesin powder (A). The modifier for organic resin according to claim 7, further comprising an organic solvent. Fluororesin powder (A); And At least one organic group (F1) wherein the molecule is selected from the group consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and Polydiorganosiloxane (B) containing at least one perfluoroalkyl-functional organic group (F2) The organic resin composition contained in the state mixed with organic resin (C). Formula 1 -R ² -XR ^1- (CF ₂ ) _a F In the above formula, R ¹ is a C ₁ to C ₁₀ divalent hydrocarbon group, R ² is a C ₁ to C ₂₀ divalent hydrocarbon group, X is a -CO- or -COO- group, a is an integer of 3 or more. 13. The copolymer of claim 12 wherein the organic resin is a bisphenol A-type polycarbonate resin, a bisphenol Z-type polycarbonate resin, a silicone-modified polycarbonate resin, an acrylic resin, a styrene resin, a styrene and a (meth) acrylate ester An organic resin composition selected from the group consisting of resins, polyacetal resins, polyester resins, polyurethane resins, polyacrylate resins, polysulfone resins, phenol resins and nylon resins. The organic resin composition according to claim 12, wherein the polydiorganosiloxane (B) is present in an amount of 0.01 to 50 parts by weight per 100 parts by weight of the organic resin. The organic resin composition according to claim 12, wherein the fluororesin powder (A) is present in an amount of 0.01 to 60 parts by weight per 100 parts by weight of the organic resin. The organic resin composition according to claim 12, further comprising an organic solvent.