Filler and manufacturing method thereof, resin composition and electronic material using the same

Abstract

This invention provides a packing material comprising a packing body and functional groups grafted onto the packing body, wherein the total phosphorus content of the packing material is greater than or equal to 70 ppm. The functional groups have the structure shown in formula (1) or formula (2), wherein R1 is a C1-C4 straight-chain alkyl group or a C3-C5 branched alkyl group; R2 is a C1-C10 straight-chain alkyl group or a C3-C10 branched alkyl group; R3 is a C1-C4 straight-chain alkyl group or a C3-C5 branched alkyl group; R4 is a C1-C4 straight-chain alkyl group or a C3-C5 branched alkyl group; and ✽ represents the bond point with the packing body. Formula (1) Formula (2)

Claims

1. A packing material comprising: a packing body; and a functional group grafted onto the packing body, the functional group having a structure shown in formula (1) or formula (2); wherein, R1 is a C1~C4 straight-chain extended alkyl or a C3~C5 branched extended alkyl; R2 is a C1~C10 straight-chain extended alkyl or a C3~C10 branched extended alkyl; R3 is a C1~C4 straight-chain alkyl or a C3~C5 branched alkyl; R4 is a C1~C4 straight-chain alkyl or a C3~C5 branched alkyl; ✽ indicates the bond point with the packing body; Formula (1) Formula (2); Wherein, the total phosphorus content on the packing is ≥70ppm and ≤2900ppm.

2. The packing material as described in claim 1, wherein, The packing system is selected from at least one of the groups consisting of inorganic packings and carbon-based packings.

3. The packing material as described in claim 2, wherein, The filler system is selected from at least one of the following groups: silicon dioxide, titanium dioxide, zirconium oxide, aluminum hydroxide, yttrium oxide, aluminum oxide, zinc oxide, boron nitride, aluminum nitride, silicon nitride, kaolin, montmorillonite, talc, and lignin.

4. The packing material as described in claim 1, wherein, The functional group has the structure shown in formula (1), wherein R1 is ethyl or isopropyl.

5. The packing material as described in claim 1, wherein, The packing further comprises a functional group of formula (3) grafted onto the packing body, formula (3); wherein, R5 is vinyl or isopropenyl; R2 is a C1~C10 straight-chain extended alkyl or a C3~C10 branched extended alkyl; R3 is a C1~C4 straight-chain alkyl or a C3~C5 branched alkyl; ✽ represents the bond point with the packing body.

6. The packing material as described in claim 1, wherein, The functional group has the structure shown in formula (1), formula (2) or formula (3), formula (3); wherein, R5 is vinyl or isopropylene; R2 is C1~C10 straight-chain extended alkyl or C3~C10 branched extended alkyl; R3 is C1~C4 straight-chain alkyl or C3~C5 branched alkyl; ✽ represents the bond point with the filler body; wherein, based on the total amount of the functional group of formula (1) and the functional group of formula (3) being 100 mol %, the functional group of formula (1) is between 40 mol % and 100 mol %.

7. The packing material as described in claim 1, wherein, The functional group has the structure shown in formula (1), formula (2) or formula (3), formula (3); wherein, R5 is vinyl or isopropylene; R2 is C1~C10 straight-chain extended alkyl or C3~C10 branched extended alkyl; R3 is C1~C4 straight-chain alkyl or C3~C5 branched alkyl; ✽ represents the bond point with the filler body; wherein, based on the total amount of the functional group of formula (2) and the functional group of formula (3) being 100 mol %, the functional group of formula (2) is between 40 mol % and 100 mol %.

8. The packing material as claimed in claim 1, wherein, The particle size range of the filler body is 0.05μm to 10μm.

9. The packing material as claimed in claim 1, wherein, The hydroxyl density on the filler body is ≤1.85 pcs / nm2.

10. A resin composition comprising any one of claims 1 to 9.

11. A method for preparing the packing material as claimed in claim 1, comprising: The grafting step of grafting an intermediate as shown in formula (4) or formula (5) onto the filler body; Formula (4), Formula (5); wherein, R1 is a C1~C4 straight-chain extended alkyl or a C3~C5 branched extended alkyl; R2 is a C1~C10 straight-chain extended alkyl or a C3~C10 branched extended alkyl; R3 is a C1~C4 straight-chain alkyl or a C3~C5 branched alkyl; R4 is a C1~C4 straight-chain alkyl or a C3~C5 branched alkyl.

12. The method for preparing the filler as described in claim 11, wherein, Prior to the grafting step, the synthesis step further includes reacting a flame-retardant group with a silane coupling agent to form the intermediate.

13. A method for preparing the packing material as claimed in claim 1, comprising: The grafting step involves first grafting a silane coupling agent onto the filler body; The synthesis step of reacting a flame-retardant group with the silane coupling agent grafted onto the filler body to form a functional group having the structure shown in formula (1) or formula (2).

14. An electronic material comprising any one of claims 1 to 9.