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MELAMINE POLYPHOSPHATE


EC / List no.: 606-855-1
CAS no.: 218768-84-4
Mol. formula: C3H9N6O4P

Melamine polyphosphate decomposes endothermically above 350ºC, acting as a heat sink to cool the polymer. 
The released phosphoric acid further reacts with the polymer to form a char and inhibit the release of free radical gasses into the oxygen phase. 
Simultaneously, nitrogen species released from the degradation of melamine intumesces the char to further protect the polymer. 
Melamine polyphosphate based halogen free flame retardants are primarily used for glass fiber reinforced polyamide and polyester (e.g. PBT) and can be used as a synergist in many other applications and polymers.


Industry Uses:
- Processing aids, not otherwise listed


Consumer Uses:
- Paints and coatings

General Manufacturing Information
Industry Processing Sectors
- Paint and coating manufacturing

Uses:
Melamine polyphosphate (MPP) is an efficient nitrogen-phosphorus intumescent flame retardant.
The product has the advantages of high thermal stability, low water solubility and excellent flame retardant properties. 
It is mainly used for flame retardant in glass fiber reinforced nylon, polyurethane and fiber fabrics.
Specially used for glass-fiber reinforced nylon
Widely applied to thermoplastics, thermosetting plastics, rubber, and fiber
It is a melamine based halogen free flame retardant for glass fiber reinforced polyamide 66 and suitable to use in thermosetting, thermoplastic formula, especially PUR and also be widely used in PBT, PET, PA.

MPP flame retardant is mainly used in PA and PBT, especially PA6, PA66. 
It can be used in all kind of injection and extrusion process and meet all kind of processing demands of polyamide, glass fiber polyamide.

Features
Halogen‐free and low poison, comply with European Environmental Protection requirements.
Easy process, no need special screws combination and special grade glass fiber.
Different from general halogen retardant, no corrosion damage to equipment and mold.
Good heat stability, decomposition temperature>360°C, suitable for glass fiber‐reinforced nylon.
MPP contains different partical size grades.
Typical Properties
Appearance  white powder.

P % 14‐16

Moisture content % 0.2 max.

Decomposition temperature °C 330 min.

Particle size (μm) 25 max.

Dosage PPM

PA66 % 4900

Glass fibre % 3500

MPP % 2500

Additives %100

These properties are typical but do not constitute a specification either in part or as a whole. 
Specification data is available on request from sales, customer service, or customer technical service.


BENEFITS
Halogen-free and very high thermal stability
UL94V-0 rating for nylon 66
UL94V-1 rating for nylon 6
UL94V-0 rating for nylon 6 by adding other flame retardants (i.e. pentaerythritol & ammonium polyphosphate)

CHEMICAL PROPERTIES
Appearance = White powder
Chemical Formula = HO(C3H7N6PO3)nH
N content (%) = 42 to 44
P content (%) = 12 to 14
pH value (10g/L) = 4 to 6
Particle size µm MPP-A D50 ≤ 2.5, D98 ≤ 30
Particle size µm MPP-B D50 ≤ 1.7, D98 ≤ 18
Bulk density kg/m³ = 300 to 500
Solubility (20°C) g/L ≤ 0.05
Decomposition temperature MPP-A ≥ 375°C
Decomposition temperature MPP-B ≥ 360°C

Melamine polyphosphate is a coordination compound that has been used as an antimicrobial agent and polymer retardant. 
It has been shown to have a Langmuir adsorption isotherm, which is indicative of the ability to form a monolayer on the surface of water droplets. 
Melamine polyphosphate also has an electrochemical impedance spectroscopy (EIS) that can be used for determining the rate constant of its reaction with water vapor. 
The rate constants are determined by measuring the change in impedance over time and plotting it against frequency.
This analytical method is used for determining the concentration and stability of melamine polyphosphate in solution and can be applied to other similar compounds.

Melamine phosphate uses and applications include: Flame retardant for plastics, polyolefins, polyester, rubbers, pigmented coatings, latex intumescent coating formulations, paper, textiles; catalyst in intumescent systems; intumescent paintmastic ingredient

Molecular Formula: C3H9N6O4P
Molecular Weight: 224.12
Purity: ≥97%
Appearance: White solid
Melting Point: >350°C

IUPAC NAMES:
1,3,5-triazine-2,4,6-triamine monophosphate
Melamine Polyphosphate
Melamine polyphosphate
Melaminpolyphosphate
Melapur 200

SYNONYMS:
Melamine phosphate
Melapur 200
Melapur M 200
Melamine Polyphosphate(FR-NP)
FR-NP
Fr-Np Melamine Polyphosphate?
20208-95-1
Melamine polyphosphate
41583-09-9
1,3,5-Triazine-2,4,6-triamine, phosphate
1,3,5-triazine-2,4,6-triamine phosphate
Triazinetriaminephosphate
INTUMESCENTCOMPOUNDKE8000
1,3,5-Triazine-2,4,6-triamine monophosphate
phosphoric acid;1,3,5-triazine-2,4,6-triamine
UNII-DOS5Q2BU94
DOS5Q2BU94
1,3,5-Triazine-2,4,6-triamine, phosphate (1:?)
1,3,5-Triazine-2,4,6-triamine, phosphate (1:1)
218768-84-4
Melapur M 200
EINECS 255-449-7
EINECS 243-601-5
EINECS 260-493-5
melamine monophosphate
EC 255-449-7
SCHEMBL73239
C6H9N6O4P
DTXSID80872787
MFCD00060248
AKOS028108538
AS-15268
O688
CS-0449429
FT-062818
FT-0742330
1,3,5-Triazine-2,4,6-triamine Poly phosphate
Di(1,3,5-triazine-2,4,6-triamine) phosphate
583M099
1,3,5-Triazine-2,4,6-triamine, phosphate (2:1)
1,3,5-TRIAZINE-2,4,6-TRIAMINE PHOSPHATE
1,3,5-Triazine-2,4,6-triamine phosphate (1:1) [ACD/IUPAC Name]
1,3,5-Triazine-2,4,6-triamine, phosphate (1:1) [ACD/Index Name]
20208-95-1 [RN]
243-601-5 [EINECS]
255-449-7 [EINECS]
41583-09-9 [RN]
Acide phosphorique - 1,3,5-triazine-2,4,6-triamine (1:1) [French] [ACD/IUPAC Name]
melamine phosphate
Phosphorsäure --1,3,5-triazin-2,4,6-triamin (1:1) [German] [ACD/IUPAC Name]
[20208-95-1] [RN]
1,3,5-triazine-2,4,6-triamine monophosphate
1,3,5-Triazine-2,4,6-triamine, phosphate
163183-93-5 [RN]
56974-60-8 [RN]
INTUMESCENTCOMPOUNDKE8000
melamine [Wiki]
Melamine phosphate ?MP?
Melamine polyphosphate
MELAMINE; PHOSPHORIC ACID
Melamine-phosphate
MELAMINE-PHOSPHONATE
MFCD00060248
Phosphoric acid [ACD/Index Name] [ACD/IUPAC Name] [Wiki]
Triazinetriaminephosphate


 

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