Chemical Name:  
Dimethylaminoethyl methacrylate-butyl methacrylate-methyl methacrylate copolymer (molar  ratio ≈2:1:1)
中文名:
聚丙烯酸树脂Ⅳ（CP2015）
甲基丙烯酸胺烷酯共聚物（CDE现行注册名） 
English name:
Amino Methacrylate Copolymer（NF36）
BASIC BUTYLATED METHACRYLATE COPOLYMER（EP9.0）
DIMETHYLAMINOETHYL METHACRYLATE - BUTYL METHACRYLATE - METHYL METHACRYLATE COPOLYMER(US FDA Inactive ingredient database ）

Japanese name:
アミノアルキルメタクリレートコポリマーE（医薬品添加物規格）

CAS: 24938-16-7

UNII：905HNO1SIH

Packing specification: 18kg / barrel

Quality specification: CP、USP、EP、JPE

Physical properties
Properties: Colorless to slightly yellow transparent translucent particles (E 100) or white powder (E PO); slightly odor.
Average molecular weight Mw: ≈47,000 g/mol;  

Tg: 50 °C.
Extensibility: Good (0-10% plasticizer added).

Chemical properties
Cationic property, alkalescence;
Swell at pH >5, with permeability; dissolve below pH <5.

Chemical name：
Ethyl acrylate-methyl methacrylate-trimethylammonium methacrylate copolymer (weight ratio ≈30:60:10):
中文名:
季铵基甲基丙烯酸酯共聚物（A型）及其水分散体(CDE )
聚甲丙烯酸铵酯I (CP2015)
English name:
Ammonio Methacrylate Copolymer, Type A (NF36/EP9.0)
Japanese name:
アンモニオアルキルメタクリレートコポリマー (medical product additives specifications)

CDE Registration No.:F20190000722

CAS :  33434-24-1

UNII:  8GQS4E66YY

Qulity specification:  CP, USP, EP, JPE

Specification: RL30D /100/PO

Packing specification: 18kg / barrel

Physical properties
Properties: milky white low viscosity liquid (RL 30D), colorless to yellowish transparent translucent particles (RL 100) or white powder (RL PO); slightly odor.
Mw: ≈32,000 g/mol;
Tg: 63 °C.
 Extensibility: Poor (often 10 to 20% plasticizer).

Chemical properties
Cationic properties, near neutral;
It does not dissolve in water at any pH and only swells, with high permeability (pH independent) - weak release ability.

Chemical name:
Ethyl acrylate-methyl methacrylate-trimethylammonium methacrylate copolymer (weight ratio ≈35:60:5)
中文名:
季铵基甲基丙烯酸酯共聚物（B型）及其水分散体(CDE )
聚甲丙烯酸铵酯II (CP2015)
English name:
Ammonio Methacrylate Copolymer, Type B (NF36/EP9.0)
Japanese name:
アンモニオアルキルメタクリレートコポリマー (medical product additives specifications)

CDE Registration No.:F20190000722

CAS:  33434-24-1

UNII:  161H3B14U2
  
Specification: RS30D /100/PO

Packing specification: 18kg / barrel
 

Qulity specification: CP, USP, EP, JPE

Physical properties
Properties: milky white low viscosity liquid (RS 30D), colorless to yellowish transparent translucent particles (RS 100) or white powder (RS PO); slightly odor.
Mw: ≈32,000 g/mol
Tg: 58 °C
Extensibility: Poor (often 10 to 20%  plasticizer)

Chemical properties
Cationic properties, near neutral;
It does not dissolve in water at any pH and only swells, with low permeability (pH independent) - strong release ability.

Chemical Name:
Methacrylic acid-ethyl acrylate copolymer (weight ratio ≈ 1:1)

中文名:
甲基丙烯酸-丙烯酸乙酯共聚物水分散体 (L30D-55 / MAE 30DP)
甲基丙烯酸共聚物 C型 (L100-55干粉规格在 CDE 曾用名)

English name:
Methacrylic Acid and Ethyl Acrylate Copolymer Dispersion (NF36)
Methacrylic Acid - Ethyl Acrylate Copolymer (1:1) Dispersion 30 Per Cent (EP9.0)

Japanese name:
メタクリル酸コポリマーLD / 乾燥メタクリル酸コポリマーLD（医薬品添加物規格）

CAS: 25212-88-8
UNII：NX76LV5T8J

Quality specification: CP、USP、EP、JPE

Physical properties
Properties: Milky white low viscosity liquid (L 30D-55) or white powder (L 100-55); slightly odor. The solids contained 0.7% sodium lauryl sulfate and 2.3% polysorbate 80.
Average molecular weight Mw: ≈320,000 g/mol;  

Tg: 96 °C.
Extensibility: Poor (10-30% plasticizer added).

Chemical properties
Anionic property, weakly acidic;
Swell at pH <5.5 , permeability; dissolve below pH > 5.5  (duodenal release).

Chemical name:
Methyl methacrylate-methyl methacrylate copolymer (weight ratio ≈1:1)
中文名:
甲基丙烯酸共聚物A型
聚丙烯酸树脂II (CP2015)
English name:
Methacrylic Acid and Methyl Methacrylate Copolymer (1:1) (NF36)
Methacrylic Acid - Methyl Methacrylate Copolymer (1:1) (EP9.0)
Japanese name:
メタクリル酸コポリマーL（医薬品添加物規格）

CDE Registration No.:F20200000241

CAS: 25086-15-1

UNII: 74G4R6TH13

Packing specification: 10kg/barrel

Quality specification：CP、USP、EP、JPE

Physical properties
Properties: white granules or powder (L 100); slightly odor.
Mw: ≈125,000 g/mol
Tg: not available (pyrolysis)
Extensibility: very poor (plasticizer with 40-50% copolymer weight).

Chemical properties
Anionic property, weakly acidic;
pH <6.0 swell, permeability; pH > 6.0 dissolution (jejunal release).

Chemical name:
Methyl methacrylate-methyl methacrylate copolymer (weight ratio ≈ 1:2)
中文名:
甲基丙烯酸共聚物B型
聚丙烯酸树脂III (CP2015)
English name:
Methacrylic Acid and Methyl Methacrylate Copolymer (1:2) (NF36)
Methacrylic Acid - Methyl Methacrylate Copolymer (1:2) (EP9.0)
Japanese name:
メタクリル酸コポリマーS（医薬品添加物規格）

CAS: 25086-15-1

UNII: 5KY68S2577

Packing specification: 10kg/barrel

Quality specification：CP、USP、EP、JPE

Physical properties
Properties: white granules or powder (S 100); slightly odor.
Mw: ≈125,000 g/mol
Tg: not available (pyrolysis)
Extensibility: very poor (plasticizer with 40~50% copolymer weight ratio)

Chemical properties
Anionic property, weakly acidic;
pH < 7.0 swell, permeable; pH > 7.0 dissolution (colon release).

Chemical name:
Ethyl acrylate-methyl methacrylate copolymer (weight ratio ≈ 2:1) aqueous dispersion
中文名:
丙烯酸乙酯-甲基丙烯酸甲酯共聚物水分散体(CP2015)
English name:
Polyacrylate Dispersion 30 Per Cent (EP9.0)
Ethyl Acrylate and Methyl Methacrylate Copolymer Dispersion (NF36)
Neutral methacrylate copolymer (EFSA)
Japanese name:
アクリル酸エチル・メタクリル酸メチルコポリマー分散液（医薬品添加物規格）

CAS: 9010-88-2

UNII: XRK36F13ZZ

Packing specification: 25kg/barrel 
  
Physical properties
Properties: milky white low viscosity liquid with slight odor.
Mw: ≈600,000 g/mol
Tg: 9°C
Extensibility: Excellent, no plasticizer required.

Chemical properties
Neutral copolymer
It dissolves in water at any pH and only swells, with moderate permeability (pH independent) - moderate release.