Claims
- 1. A chlorinated vinyl chloride resin composition for siding extrusion molding, comprising 100 parts by weight of a chlorinated vinyl chloride resin and 3 to 20 parts by weight of an acrylic graft rubber copolymer, wherein the acrylic graft rubber copolymer contains 30 to 90% by weight of acrylic hollow rubber particles whose average void ratio is 3 to 90% by volume in a latex state.
- 2. The chlorinated vinyl chloride resin composition of claim 1, further comprising at least two tin stabilizers.
- 3. The chlorinated vinyl chloride resin composition of claim 1, further comprising, as a lubricant, oxidation-type modified polyethylene wax having acid number of 0.1 to 10 mg/g measured by JIS K 5902.
- 4. The chlorinated vinyl chloride resin composition of claim 1, further comprising a dark-color pigment.
- 5. A siding molded article obtained by using the chlorinated vinyl chloride resin composition for siding extrusion molding of claim 1.
- 6. The siding molded article of claim 5, wherein the siding molded article has Gardner strength of at least 0.680 m·kg/mm (1.5 inch·lbs/mil) at 23° C. and HDT of at least 87.7° C. (190° F.).
Priority Claims (2)
Number |
Date |
Country |
Kind |
2001-013808 |
Jan 2001 |
JP |
|
2001-140542 |
May 2001 |
JP |
|
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of application Ser. No. 10/028,923 filed on Dec. 28, 2001 pending.
Foreign Referenced Citations (3)
Number |
Date |
Country |
2001-323033 |
Nov 2001 |
JP |
WO 0002963 |
Jan 2000 |
WO |
WO 0130908 |
May 2001 |
WO |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10/028923 |
Dec 2001 |
US |
Child |
10/082138 |
|
US |