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폴리프로필렌

폴리프로필렌
폴리프로필렌 구조식 이미지
카스 번호:
9003-07-0
한글명:
폴리프로필렌
동의어(한글):
폴리프로필렌;폴리프로필렌(POLYPROPYLENE)
상품명:
Polypropylene
동의어(영문):
RPP;dlp;mh4;pp4;amco;d151;hf20;j400;j700;k300
CBNumber:
CB8366058
분자식:
C22H42O3
포뮬러 무게:
354.56708
MOL 파일:
9003-07-0.mol

폴리프로필렌 속성

녹는점
189 °C(lit.)
밀도
0.9 g/mL at 25 °C(lit.)
굴절률
n20/D 1.49(lit.)
저장 조건
?20°C
물리적 상태
particles (Spherical)
Merck
13,7663
NIST
Polypropylene, atactic(9003-07-0)
EPA
1-Propene, homopolymer(9003-07-0)

안전

WGK 독일 3
RTECS 번호 UD1842000
TSCA Yes
HS 번호 39021000
유해 물질 데이터 9003-07-0(Hazardous Substances Data)

폴리프로필렌 MSDS


Polypropylene

폴리프로필렌 C화학적 특성, 용도, 생산

화학적 성질

Translucent, white solid.Tensile strength 5000 psi, flexural strength 7000 psi, usable up to 121C. Insoluble in cold organic solvents; softened by hot solvents. Maintains strength after repeated flexing. Degraded by heat and light unless protected by antioxidants. Readily colored; good electrical resistance; low water absorption and moisture permeability; poor impact strength below ?9.4C; not attacked by fungi or bacteria; resists strong acids and alkalies up to 60C, but is attacked by chlorine, fuming nitric acid, and other strong oxidizing agents. Combustible, but slow-burning. Fair abrasion and good heat resis- tance if properly modified. Can be chrome-plated, injectionand blow-molded, and extruded.

용도

Polypropylene (PP) is a thermoplastic material used in a wide variety of applications including packaging, labeling, textiles, etc. Due to high processability and low cost, PP is one of the most extensively produced polymers, especially, for auto industry. Pristine PP is resistant to photo-oxidation and thermal oxidation at moderate temperatures. However, PP is sensitive to various external aging environments (such as heat, light, and radiation), and, hence, has a relatively low service temperature.When PP is exposed to high temperatures or to an irradiation environment, the tertiary hydrogen atoms present in PP chains are susceptible to be attacked by oxygen. It is well known that PP oxidation depends on both light and temperature in outdoor aging conditions. PP can also be photo-degraded because several molecular chains are affected in the wavelength range from 310 to 350 nm.

용도

Used with ram- and screw-injection machines. For automotive, housewares, general molding products and multi- and monofiliment fiber.

용도

General extrusion grade polymer.

용도

Base polymer in hot melt adhesives and paper-laminating, extender and viscosity modifier in caulks and sealants and waterproofing agent in wire and cable applications.

용도

Modifier for waxes to reduce blocking, scuffing and abrasion. Improves pigment dispersion in polypropylene films and fibers.

정의

ChEBI: A polymer compose of repeating propane-1,2-diyl units.

정의

polypropylene: Anisotactic polymer existing in bothlow and high formula-weight forms.The lower-formula-weight polymer ismade by passing propene at moderatepressure over a heated phosphoricacid catalyst spread on aninert material at 200°C. The reactionyields the trimer and tetramer. Thehigher-formula-weight polymer isproduced by passing propene into aninert solvent, heptane, which containsa trialkyl aluminium and a titaniumcompound. The product is amixture of isotactic and atacticpolypropene, the former being themajor constituent. Polypropene isused as a thermoplastic mouldingmaterial.

일반 설명

Tan to white odorless solid. Less dense than water and insoluble in water. Hence floats on water.

공기와 물의 반응

Insoluble in water.

반응 프로필

Polypropylene reacts with chlorine, fuming nitric acid and other strong oxidizing agents.

위험도

Questionable carcinogen.

건강위험

No apparent toxicity

공업 용도

Polypropylene is similar in structure to polyethylene,but every other carbon atom has oneof its H2 atoms replaced by a CH2group.Although electrically similar to polyethylene,polypropylene can be made in thinner films, say 5μm as against about 25 μm for polyethylene.These films replace paper for impregnatedcapacitors, with reduced loss.

Safety Profile

Moderately toxic by ingestion and intraperitoneal routes. Questionable carcinogen. When heated to decomposition it emits acrid smoke and irritating fumes. Used in injection molding for auto parts, in bottle caps, and in container closures.

폴리프로필렌 준비 용품 및 원자재

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